

<!--XBRL Document Created with WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.amkor.com/role/AccountsReceivableTrade" xlink:href="amkr-20131231.xsd#AccountsReceivableTrade" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccountsReceivableTradeDetails" xlink:href="amkr-20131231.xsd#AccountsReceivableTradeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccountsReceivableTradeTables" xlink:href="amkr-20131231.xsd#AccountsReceivableTradeTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccruedExpenses" xlink:href="amkr-20131231.xsd#AccruedExpenses" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccruedExpensesDetails" xlink:href="amkr-20131231.xsd#AccruedExpensesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccruedExpensesTables" xlink:href="amkr-20131231.xsd#AccruedExpensesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLoss" xlink:href="amkr-20131231.xsd#AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLossTables" xlink:href="amkr-20131231.xsd#AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLossTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossDetails" xlink:href="amkr-20131231.xsd#AccumulatedOtherComprehensiveIncomeAndLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/BusinessAcquisitionsBusinessAcquisitions" xlink:href="amkr-20131231.xsd#BusinessAcquisitionsBusinessAcquisitions" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/BusinessAcquisitionsDetails" xlink:href="amkr-20131231.xsd#BusinessAcquisitionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/BusinessSegments" xlink:href="amkr-20131231.xsd#BusinessSegments" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/BusinessSegmentsBusinessSegmentsDetails" xlink:href="amkr-20131231.xsd#BusinessSegmentsBusinessSegmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/BusinessSegmentsTables" xlink:href="amkr-20131231.xsd#BusinessSegmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/CommitmentsAndContingencies" xlink:href="amkr-20131231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/CommitmentsAndContingenciesDetails" xlink:href="amkr-20131231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/CommitmentsAndContingenciesFutureMinimumLeasePaymentsDetails" xlink:href="amkr-20131231.xsd#CommitmentsAndContingenciesFutureMinimumLeasePaymentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/CommitmentsAndContingenciesTables" xlink:href="amkr-20131231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedBalanceSheets" xlink:href="amkr-20131231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="amkr-20131231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementOfStockholdersEquity" xlink:href="amkr-20131231.xsd#ConsolidatedStatementOfStockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="amkr-20131231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementsOfCashFlowsParenthetical" xlink:href="amkr-20131231.xsd#ConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="amkr-20131231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:href="amkr-20131231.xsd#ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ConsolidatedStatementsOfIncome" xlink:href="amkr-20131231.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/Debt" xlink:href="amkr-20131231.xsd#Debt" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtDebtInstrumentDetails" xlink:href="amkr-20131231.xsd#DebtDebtInstrumentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtDetails" xlink:href="amkr-20131231.xsd#DebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtInterestRatesDetails" xlink:href="amkr-20131231.xsd#DebtInterestRatesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtLongTermDebtDetails" xlink:href="amkr-20131231.xsd#DebtLongTermDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtLongTermDebtParentheticalDetails" xlink:href="amkr-20131231.xsd#DebtLongTermDebtParentheticalDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtMaturitiesDetails" xlink:href="amkr-20131231.xsd#DebtMaturitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DebtTables" xlink:href="amkr-20131231.xsd#DebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:href="amkr-20131231.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesOtherDetails" xlink:href="amkr-20131231.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesOtherDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="amkr-20131231.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:href="amkr-20131231.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesVariableInterestEntityDetails" xlink:href="amkr-20131231.xsd#DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesVariableInterestEntityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/DocumentAndEntityInformation" xlink:href="amkr-20131231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/EarningsPerShare" xlink:href="amkr-20131231.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/EarningsPerShareAntidilutiveDetails" xlink:href="amkr-20131231.xsd#EarningsPerShareAntidilutiveDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/EarningsPerShareDetails" xlink:href="amkr-20131231.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/EarningsPerShareTables" xlink:href="amkr-20131231.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ExitActivitiesAndReductionsInForce" xlink:href="amkr-20131231.xsd#ExitActivitiesAndReductionsInForce" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceNarrativeDetails" xlink:href="amkr-20131231.xsd#ExitActivitiesAndReductionsInForceNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceRestructuringReserveDetails" xlink:href="amkr-20131231.xsd#ExitActivitiesAndReductionsInForceRestructuringReserveDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceTables" xlink:href="amkr-20131231.xsd#ExitActivitiesAndReductionsInForceTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/FairValueMeasurements" xlink:href="amkr-20131231.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/FairValueMeasurementsDebtDetails" xlink:href="amkr-20131231.xsd#FairValueMeasurementsDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/FairValueMeasurementsDetails" xlink:href="amkr-20131231.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/FairValueMeasurementsTables" xlink:href="amkr-20131231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxes" xlink:href="amkr-20131231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseAndIncomeBeforeTaxesByJurisdictionDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesComponentsOfIncomeTaxExpenseAndIncomeBeforeTaxesByJurisdictionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesIncomeTaxExaminationDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesIncomeTaxExaminationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesNetOperatingLossCarryforwardsDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesNetOperatingLossCarryforwardsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesReconciliationOfEffectiveTaxRateDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesReconciliationOfEffectiveTaxRateDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesTables" xlink:href="amkr-20131231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesTaxHolidaysDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesTaxHolidaysDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IncomeTaxesUnrecognizedTaxBenefitsRollforwardAndDiscussionDetails" xlink:href="amkr-20131231.xsd#IncomeTaxesUnrecognizedTaxBenefitsRollforwardAndDiscussionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IntangibleAssets" xlink:href="amkr-20131231.xsd#IntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IntangibleAssetsAcquiredDetails" xlink:href="amkr-20131231.xsd#IntangibleAssetsAcquiredDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IntangibleAssetsAmortizationDetails" xlink:href="amkr-20131231.xsd#IntangibleAssetsAmortizationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IntangibleAssetsNarrativeDetails" xlink:href="amkr-20131231.xsd#IntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/IntangibleAssetsTables" xlink:href="amkr-20131231.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/Inventories" xlink:href="amkr-20131231.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InventoriesDetails" xlink:href="amkr-20131231.xsd#InventoriesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InventoriesTables" xlink:href="amkr-20131231.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/Investments" xlink:href="amkr-20131231.xsd#Investments" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InvestmentsDetails" xlink:href="amkr-20131231.xsd#InvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InvestmentsNarrativeDetails" xlink:href="amkr-20131231.xsd#InvestmentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InvestmentsSummaryBalanceSheetInformationDetails" xlink:href="amkr-20131231.xsd#InvestmentsSummaryBalanceSheetInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InvestmentsSummaryIncomeStatementInformationDetails" xlink:href="amkr-20131231.xsd#InvestmentsSummaryIncomeStatementInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/InvestmentsTables" xlink:href="amkr-20131231.xsd#InvestmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/NewAccountingStandards" xlink:href="amkr-20131231.xsd#NewAccountingStandards" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/OtherIncomeAndExpenseDetails" xlink:href="amkr-20131231.xsd#OtherIncomeAndExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/OtherIncomeAndExpenseOtherIncomeAndExpense" xlink:href="amkr-20131231.xsd#OtherIncomeAndExpenseOtherIncomeAndExpense" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/OtherIncomeAndExpenseTables" xlink:href="amkr-20131231.xsd#OtherIncomeAndExpenseTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlans" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlans" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansChangesAndComponentsDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansChangesAndComponentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansAllocationOfPlanAssetsDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansDefinedBenefitPlansAllocationOfPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansDefinedBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansExpectedFutureContributionsAndOtherDisclosuresDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansDefinedBenefitPlansExpectedFutureContributionsAndOtherDisclosuresDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansDefinedContributionPlansDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansDefinedContributionPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansImpactOnAccumulatedOtherComprehensiveIncomeDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansImpactOnAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansKoreanSeverancePlanDetails" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansKoreanSeverancePlanDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PensionAndSeverancePlansTables" xlink:href="amkr-20131231.xsd#PensionAndSeverancePlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PropertyPlantAndEquipment" xlink:href="amkr-20131231.xsd#PropertyPlantAndEquipment" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PropertyPlantAndEquipmentDetails" xlink:href="amkr-20131231.xsd#PropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PropertyPlantAndEquipmentNarrativeDetails" xlink:href="amkr-20131231.xsd#PropertyPlantAndEquipmentNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PropertyPlantAndEquipmentScheduleOfDepreciationExpenseDetails" xlink:href="amkr-20131231.xsd#PropertyPlantAndEquipmentScheduleOfDepreciationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/PropertyPlantAndEquipmentTables" xlink:href="amkr-20131231.xsd#PropertyPlantAndEquipmentTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ScheduleIiValuationAndQualifyingAccounts" xlink:href="amkr-20131231.xsd#ScheduleIiValuationAndQualifyingAccounts" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ScheduleIiValuationAndQualifyingAccountsDetails" xlink:href="amkr-20131231.xsd#ScheduleIiValuationAndQualifyingAccountsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlans" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansCompensationExpenseDetails" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansNarrativeDetails" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansRestrictedSharesDetails" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansRestrictedSharesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansStockOptionsDetails" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansStockOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansTables" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/ShareBasedCompensationPlansWeightedAverageFairValueDetails" xlink:href="amkr-20131231.xsd#ShareBasedCompensationPlansWeightedAverageFairValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/TreasuryStock" xlink:href="amkr-20131231.xsd#TreasuryStock" xlink:type="simple" />
  <roleRef roleURI="http://www.amkor.com/role/TreasuryStockDetails" xlink:href="amkr-20131231.xsd#TreasuryStockDetails" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccountsReceivableTrade" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccountsReceivableTradeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccountsReceivableTradeTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccruedExpenses" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccruedExpensesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccruedExpensesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLoss" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossAccumulatedOtherComprehensiveIncomeAndLossTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_509409B51BD1283FC76271C9A029B798" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9AC69E1AE6B331C0F20671C9A028EF20" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_509409B51BD1283FC76271C9A029B798" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9AC69E1AE6B331C0F20671C9A028EF20" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1377D19ABBC1F9A8885D71C9A029A51F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9AC69E1AE6B331C0F20671C9A028EF20" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1377D19ABBC1F9A8885D71C9A029A51F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_16DA84795ACFDDE2FF6671C9A0292488_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1377D19ABBC1F9A8885D71C9A029A51F" xlink:to="loc_us-gaap_EquityComponentDomain_16DA84795ACFDDE2FF6671C9A0292488_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_16DA84795ACFDDE2FF6671C9A0292488" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1377D19ABBC1F9A8885D71C9A029A51F" xlink:to="loc_us-gaap_EquityComponentDomain_16DA84795ACFDDE2FF6671C9A0292488" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_AA898B098502E86FD00A71C9A02999A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_509409B51BD1283FC76271C9A029B798" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_AA898B098502E86FD00A71C9A02999A2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/AccumulatedOtherComprehensiveIncomeAndLossDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9A8EDA97F2760263B40671C9A00BFCE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9A8EDA97F2760263B40671C9A00BFCE9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_0F19392990C17428889B71C9A010D350" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9A8EDA97F2760263B40671C9A00BFCE9" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_0F19392990C17428889B71C9A010D350" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0F19392990C17428889B71C9A010D350" xlink:to="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0F19392990C17428889B71C9A010D350" xlink:to="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_553DB8A5D628C94F574971C9A011D8C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_553DB8A5D628C94F574971C9A011D8C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4BDBB81177B6791C8A7A71C9A012316E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4BDBB81177B6791C8A7A71C9A012316E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquityInterestinInvesteeOtherComprehensiveIncomeLossMember" xlink:label="loc_amkr_EquityInterestinInvesteeOtherComprehensiveIncomeLossMember_AE650D2D712CBAFBD92671C9A012F6AD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ABB9E0519741BC064E2771C9A0111048" xlink:to="loc_amkr_EquityInterestinInvesteeOtherComprehensiveIncomeLossMember_AE650D2D712CBAFBD92671C9A012F6AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2852A66A732FF7D2AB3771C9A013686E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2852A66A732FF7D2AB3771C9A013686E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_895CE4EE8B52917DFB2E71C9A01323C8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_895CE4EE8B52917DFB2E71C9A01323C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_C11E406208AD3396A1DB71C9A013613E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_C11E406208AD3396A1DB71C9A013613E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_58AE383CF2AB60A1363071C9A013B629" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_BB5B554D852327C9E9F471C9A013179B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_58AE383CF2AB60A1363071C9A013B629" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/BusinessAcquisitionsBusinessAcquisitions" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/BusinessAcquisitionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F726A3576242159B71246AAB13216955" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F726A3576242159B71246AAB13216955" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_D138A4E23DE608497BB56AAB132146AF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_F726A3576242159B71246AAB13216955" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_D138A4E23DE608497BB56AAB132146AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A20349C1C68F967C9B736AAB132131DE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_D138A4E23DE608497BB56AAB132146AF" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A20349C1C68F967C9B736AAB132131DE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A20349C1C68F967C9B736AAB132131DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_D138A4E23DE608497BB56AAB132146AF" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A20349C1C68F967C9B736AAB132131DE" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ToshibaElectronicsMalaysiaMember" xlink:label="loc_amkr_ToshibaElectronicsMalaysiaMember_2E7E1DFFCE1F0825B5206AAB13215975" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A20349C1C68F967C9B736AAB132131DE" xlink:to="loc_amkr_ToshibaElectronicsMalaysiaMember_2E7E1DFFCE1F0825B5206AAB13215975" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_AF1B7E5196890B68ED136AAB132289B4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_AF1B7E5196890B68ED136AAB132289B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_E6183731A7D804BCB8916AAB1322EDA7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_E6183731A7D804BCB8916AAB1322EDA7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_75F565962693A5EEABFC6AAB1322DC9E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_75F565962693A5EEABFC6AAB1322DC9E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_BusinessCombinationRemainingCashtoBePaid" xlink:label="loc_amkr_BusinessCombinationRemainingCashtoBePaid_6447200972AF52B555FA6AAB168B9618" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_amkr_BusinessCombinationRemainingCashtoBePaid_6447200972AF52B555FA6AAB168B9618" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CaponFutureRoyaltyPayments" xlink:label="loc_amkr_CaponFutureRoyaltyPayments_FB334F8B80B4795386BE6AAB13220616" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7870D94C8445C7FD77496AAB132262A8" xlink:to="loc_amkr_CaponFutureRoyaltyPayments_FB334F8B80B4795386BE6AAB13220616" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/BusinessSegments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/BusinessSegmentsBusinessSegmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_1241DA882928775E9FFC7219AF911B4C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:to="loc_us-gaap_ProductOrServiceAxis_1241DA882928775E9FFC7219AF911B4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_1241DA882928775E9FFC7219AF911B4C" xlink:to="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_1241DA882928775E9FFC7219AF911B4C" xlink:to="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AdvancedProductsMember" xlink:label="loc_amkr_AdvancedProductsMember_00D4A2663523D8EB3D257219AFDF783D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190" xlink:to="loc_amkr_AdvancedProductsMember_00D4A2663523D8EB3D257219AFDF783D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_MainstreamProductsMember" xlink:label="loc_amkr_MainstreamProductsMember_B177BA83AEEC3E4216987219B02382D7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_1B24FACBCAB5AA5118DA7219B00FA190" xlink:to="loc_amkr_MainstreamProductsMember_B177BA83AEEC3E4216987219B02382D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_01A8237080B1A9653AE5720C657E1B5D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:to="loc_us-gaap_MajorCustomersAxis_01A8237080B1A9653AE5720C657E1B5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_01A8237080B1A9653AE5720C657E1B5D" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_01A8237080B1A9653AE5720C657E1B5D" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CustomerOneMember" xlink:label="loc_amkr_CustomerOneMember_E25F297582E3CF086B93720C657ECF5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22" xlink:to="loc_amkr_CustomerOneMember_E25F297582E3CF086B93720C657ECF5B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CustomerTwoMember" xlink:label="loc_amkr_CustomerTwoMember_09E900A9F7B3FB1B9F68720C79EF4994" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22" xlink:to="loc_amkr_CustomerTwoMember_09E900A9F7B3FB1B9F68720C79EF4994" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CustomerThreeMember" xlink:label="loc_amkr_CustomerThreeMember_56B4A7374AF0598F2006720C7AAE7CE2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_78C79273027856E46893720C657E5D22" xlink:to="loc_amkr_CustomerThreeMember_56B4A7374AF0598F2006720C7AAE7CE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9F97CE34DA9FA08DAB43720C657EC6B7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9F97CE34DA9FA08DAB43720C657EC6B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_B94562E50D9913636A8B720C657E1023_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9F97CE34DA9FA08DAB43720C657EC6B7" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_B94562E50D9913636A8B720C657E1023_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_B94562E50D9913636A8B720C657E1023" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9F97CE34DA9FA08DAB43720C657EC6B7" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_B94562E50D9913636A8B720C657E1023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesMember" xlink:label="loc_us-gaap_SalesMember_07E9C5FC41AAF96BEFA9720C657EA178" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_B94562E50D9913636A8B720C657E1023" xlink:to="loc_us-gaap_SalesMember_07E9C5FC41AAF96BEFA9720C657EA178" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_D41099CE1409B6706D65720C657E0C0E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_D41099CE1409B6706D65720C657E0C0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_CBDD20A316C9ACFD6F4B720C657F5C1A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_D41099CE1409B6706D65720C657E0C0E" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_CBDD20A316C9ACFD6F4B720C657F5C1A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_CBDD20A316C9ACFD6F4B720C657F5C1A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_D41099CE1409B6706D65720C657E0C0E" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_CBDD20A316C9ACFD6F4B720C657F5C1A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_C98F619BE78138622CC9720C657F4608" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_CBDD20A316C9ACFD6F4B720C657F5C1A" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_C98F619BE78138622CC9720C657F4608" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_265D905EADE8269CAECA720C657F2F13" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_03B9F28C829F0730ADD4720C657E7AF8" xlink:to="loc_us-gaap_StatementGeographicalAxis_265D905EADE8269CAECA720C657F2F13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_265D905EADE8269CAECA720C657F2F13" xlink:to="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_265D905EADE8269CAECA720C657F2F13" xlink:to="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="loc_country_CN_5C910F2A23897384200D720C65808B88" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_CN_5C910F2A23897384200D720C65808B88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_JP" xlink:label="loc_country_JP_445B208CA07F9144CF3B720C6580D338" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_JP_445B208CA07F9144CF3B720C6580D338" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_SG" xlink:label="loc_country_SG_67A13082D22C06AE3935720C6580E6FA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_SG_67A13082D22C06AE3935720C6580E6FA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_TH" xlink:label="loc_country_TH_3DBD0E08084D4248EF57720C6580566E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_TH_3DBD0E08084D4248EF57720C6580566E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherForeignCountriesMember" xlink:label="loc_amkr_OtherForeignCountriesMember_510A638388356C967A4F720C65801DCF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_amkr_OtherForeignCountriesMember_510A638388356C967A4F720C65801DCF" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TotalForeignCountriesMember" xlink:label="loc_amkr_TotalForeignCountriesMember_D9B4782D29B81D13A9E1720C65809B81" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_amkr_TotalForeignCountriesMember_D9B4782D29B81D13A9E1720C65809B81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_598D8E5AB52E604F673A720C65809E6D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_US_598D8E5AB52E604F673A720C65809E6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KR" xlink:label="loc_country_KR_A1524A020CFA24A98367720C658086C2" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_KR_A1524A020CFA24A98367720C658086C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_MY" xlink:label="loc_country_MY_4DE0EBC042EAED5C4489720C65806FF1" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_MY_4DE0EBC042EAED5C4489720C65806FF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_PH" xlink:label="loc_country_PH_96D344BDA435B5D5916B720C6581DF89" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_PH_96D344BDA435B5D5916B720C6581DF89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_TW" xlink:label="loc_country_TW_034A46D1F9707E01E64E720C6581FCB9" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7026DEB4CFC18A2DD2C3720C657FACBE" xlink:to="loc_country_TW_034A46D1F9707E01E64E720C6581FCB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_8566EE22D1E75CDBB0AB720C658198CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_8566EE22D1E75CDBB0AB720C658198CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_E8D5DB3D93225E9465B3720C6581D3CE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_E8D5DB3D93225E9465B3720C6581D3CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_81C1A2A3C1A1DC08BDDF720C6582888F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_SalesRevenueNet_81C1A2A3C1A1DC08BDDF720C6582888F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_8B8BC0C325C989807357720C6582F32A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_GrossProfit_8B8BC0C325C989807357720C6582F32A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_2691529358F6D3BB1461720C65821C8C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_84FFF9556B84A3C602C9720C6581061E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_2691529358F6D3BB1461720C65821C8C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/BusinessSegmentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_47D02D0064C6A82A78AC76F0BCA36E69" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_CreditFacilityAxis_47D02D0064C6A82A78AC76F0BCA36E69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_47D02D0064C6A82A78AC76F0BCA36E69" xlink:to="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_47D02D0064C6A82A78AC76F0BCA36E69" xlink:to="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_1CABF40E92EB9DFDEF2976F0BCA3EABD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_1CABF40E92EB9DFDEF2976F0BCA3EABD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_F10D9C73B1461604310776F0BCA3FB29" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_F7399F541110638FD3B276F0BCA362C3" xlink:to="loc_us-gaap_LetterOfCreditMember_F10D9C73B1461604310776F0BCA3FB29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_FC75AF246655ABDFD24076F0BCA34EAC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_FC75AF246655ABDFD24076F0BCA34EAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_74DAD06122002FB9D2EA76F0BCA3E549_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_FC75AF246655ABDFD24076F0BCA34EAC" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_74DAD06122002FB9D2EA76F0BCA3E549_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_74DAD06122002FB9D2EA76F0BCA3E549" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_FC75AF246655ABDFD24076F0BCA34EAC" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_74DAD06122002FB9D2EA76F0BCA3E549" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_D82016FE41CC058F4A3C76F0BCA3E28D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_D82016FE41CC058F4A3C76F0BCA3E28D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_304E1FDACEBD60EE090F76F0BCA3294E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_D82016FE41CC058F4A3C76F0BCA3E28D" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_304E1FDACEBD60EE090F76F0BCA3294E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_304E1FDACEBD60EE090F76F0BCA3294E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_D82016FE41CC058F4A3C76F0BCA3E28D" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_304E1FDACEBD60EE090F76F0BCA3294E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_4C1E605DD09638C4E24E76F0BCA31CE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_304E1FDACEBD60EE090F76F0BCA3294E" xlink:to="loc_us-gaap_CostOfSalesMember_4C1E605DD09638C4E24E76F0BCA31CE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_AC3455F948F7371A54B376F0BCA46994" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_LitigationCaseAxis_AC3455F948F7371A54B376F0BCA46994" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationCaseAxis_AC3455F948F7371A54B376F0BCA46994" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationCaseAxis_AC3455F948F7371A54B376F0BCA46994" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TesseraIncLegalProceedingsMember" xlink:label="loc_amkr_TesseraIncLegalProceedingsMember_54AD3500D2F25D7C121B76F0BCA4E56D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD" xlink:to="loc_amkr_TesseraIncLegalProceedingsMember_54AD3500D2F25D7C121B76F0BCA4E56D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CarsemLegalProceedingsMember" xlink:label="loc_amkr_CarsemLegalProceedingsMember_47C1FC7632E0B135106276F0BCA40B30" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_FB99401388474F5762B076F0BCA4BEFD" xlink:to="loc_amkr_CarsemLegalProceedingsMember_47C1FC7632E0B135106276F0BCA40B30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0B559FBE5196F922126A76F0BCA47008" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_RangeAxis_0B559FBE5196F922126A76F0BCA47008" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_AFCB5A487BF55E72380B76F0BCA45521_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_0B559FBE5196F922126A76F0BCA47008" xlink:to="loc_us-gaap_RangeMember_AFCB5A487BF55E72380B76F0BCA45521_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_AFCB5A487BF55E72380B76F0BCA45521" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_0B559FBE5196F922126A76F0BCA47008" xlink:to="loc_us-gaap_RangeMember_AFCB5A487BF55E72380B76F0BCA45521" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_74385C57C24B8651153D76F0BCA49F6B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_AFCB5A487BF55E72380B76F0BCA45521" xlink:to="loc_us-gaap_MinimumMember_74385C57C24B8651153D76F0BCA49F6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_1764DC908378F796B03576F0BCA4CCE6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_BA79EEF46930052CC5A076F0BCA2F4AB" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_1764DC908378F796B03576F0BCA4CCE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_1764DC908378F796B03576F0BCA4CCE6" xlink:to="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_1764DC908378F796B03576F0BCA4CCE6" xlink:to="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TesseraIncLegalProceedingsMember" xlink:label="loc_amkr_TesseraIncLegalProceedingsMember_323ACD863092AF9D914076F0BCA5390C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86" xlink:to="loc_amkr_TesseraIncLegalProceedingsMember_323ACD863092AF9D914076F0BCA5390C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CarsemLegalProceedingsMember" xlink:label="loc_amkr_CarsemLegalProceedingsMember_AAEE1A0FA8E8A026920876F0BCA51BA6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_7439355A474CCC14A5B676F0BCA44B86" xlink:to="loc_amkr_CarsemLegalProceedingsMember_AAEE1A0FA8E8A026920876F0BCA51BA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_DC5AF5C6B46A60FDD82376F0BCA548FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_OtherCommitment_DC5AF5C6B46A60FDD82376F0BCA548FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1F0B2BCBB5FFEEB5300C76F0BCA54BD5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1F0B2BCBB5FFEEB5300C76F0BCA54BD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_A589C4E1CF9EED8FC50176F0BCA5DB32" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_A589C4E1CF9EED8FC50176F0BCA5DB32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_E20288F45B297B33CA8F76F0BCA616BB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_E20288F45B297B33CA8F76F0BCA616BB" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_NumberOfDomesticPatents" xlink:label="loc_amkr_NumberOfDomesticPatents_3A18FC0504BEE298C7DC76F0BCA66E60" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_amkr_NumberOfDomesticPatents_3A18FC0504BEE298C7DC76F0BCA66E60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyDamagesSought" xlink:label="loc_us-gaap_LossContingencyDamagesSought_FAFACB3D8E7F6EBA186E76F0BCA69D6C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyDamagesSought_FAFACB3D8E7F6EBA186E76F0BCA69D6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_36E6D2F9103781160C1176F0BCA64E06" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_36E6D2F9103781160C1176F0BCA64E06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_018897081979F10CF32676F0BCA6D920" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_InterestExpense_018897081979F10CF32676F0BCA6D920" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMinimum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_DDF6B8AD347612A3B10F76F0BCA6DD61" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_DDF6B8AD347612A3B10F76F0BCA6DD61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMaximum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_3BB7099A4D457B15BD7A76F0BCA6CF36" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_3BB7099A4D457B15BD7A76F0BCA6CF36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyLossInPeriod" xlink:label="loc_us-gaap_LossContingencyLossInPeriod_D8C884CC92C53CC7022076F0BCA6B497" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyLossInPeriod_D8C884CC92C53CC7022076F0BCA6B497" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyDamagesPaidValue" xlink:label="loc_us-gaap_LossContingencyDamagesPaidValue_EC46E7F41D2B5171126176F0BCA631D4" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyDamagesPaidValue_EC46E7F41D2B5171126176F0BCA631D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_17EF9D6390E8DA05D98776F0BCA651F2" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_17EF9D6390E8DA05D98776F0BCA651F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedRoyaltiesCurrent" xlink:label="loc_us-gaap_AccruedRoyaltiesCurrent_F3E0CA7222BABC81DC6976F0BCA67B02" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_us-gaap_AccruedRoyaltiesCurrent_F3E0CA7222BABC81DC6976F0BCA67B02" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMinimum" xlink:label="loc_amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMinimum_1379B0BA5AB9A37D47FF76F0BCA651E2" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMinimum_1379B0BA5AB9A37D47FF76F0BCA651E2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMaximum" xlink:label="loc_amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMaximum_009A8C7CCAD19F25D47276F0BCA75D8F" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_DFEDDEB65099E6FBEB7276F0BCA5DAB4" xlink:to="loc_amkr_LossContingencyRangeofEstimatedRoyaltiestobePaidMaximum_009A8C7CCAD19F25D47276F0BCA75D8F" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/CommitmentsAndContingenciesFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_F4F4E17D3B0D89373F597532F7EAECED" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_F0716262F02657A29F7D7532F7E91982" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_F4F4E17D3B0D89373F597532F7EAECED" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_F0716262F02657A29F7D7532F7E91982" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_4FA08A6E0E517AF365B07532F7EA00C9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationTable_F0716262F02657A29F7D7532F7E91982" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_4FA08A6E0E517AF365B07532F7EA00C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_92D7BF20273CC7F9A6DE7532F7EAD355_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_4FA08A6E0E517AF365B07532F7EA00C9" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_92D7BF20273CC7F9A6DE7532F7EAD355_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_92D7BF20273CC7F9A6DE7532F7EAD355" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_4FA08A6E0E517AF365B07532F7EA00C9" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_92D7BF20273CC7F9A6DE7532F7EAD355" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/CommitmentsAndContingenciesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentLineItems" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems_C354D5AA0B5034268A5B75FFA3145BA9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentTable" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentTable_8051554414947FDDDE7B75FFA313CE2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems_C354D5AA0B5034268A5B75FFA3145BA9" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentTable_8051554414947FDDDE7B75FFA313CE2B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4C39F92D59063BE43C0175FFA3147926" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentTable_8051554414947FDDDE7B75FFA313CE2B" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4C39F92D59063BE43C0175FFA3147926" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_8FCD860A8DB6A5785B4B75FFA3146B3C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4C39F92D59063BE43C0175FFA3147926" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_8FCD860A8DB6A5785B4B75FFA3146B3C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_8FCD860A8DB6A5785B4B75FFA3146B3C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4C39F92D59063BE43C0175FFA3147926" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_8FCD860A8DB6A5785B4B75FFA3146B3C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_3EA8439DA226A39510E467666F447F37" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_498350296447F8A8E47867666F442EDE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_3EA8439DA226A39510E467666F447F37" xlink:to="loc_us-gaap_StatementTable_498350296447F8A8E47867666F442EDE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_27D83A02FAE5A9A266C067666F44781D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_498350296447F8A8E47867666F442EDE" xlink:to="loc_us-gaap_StatementScenarioAxis_27D83A02FAE5A9A266C067666F44781D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D1185247352CE3A0C96767666F4461B9_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_27D83A02FAE5A9A266C067666F44781D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D1185247352CE3A0C96767666F4461B9_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D1185247352CE3A0C96767666F4461B9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_27D83A02FAE5A9A266C067666F44781D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D1185247352CE3A0C96767666F4461B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3EA8439DA226A39510E467666F447F37" xlink:to="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0CB766B26C954758AB867666F44DAF3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F0CB766B26C954758AB867666F44DAF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_7F9C2BCE337CA654F9D667666F442AE5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_7F9C2BCE337CA654F9D667666F442AE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesNetCurrentAbstract" xlink:label="loc_us-gaap_ReceivablesNetCurrentAbstract_A44477A264C1D1D1F00C67666F4474D6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_ReceivablesNetCurrentAbstract_A44477A264C1D1D1F00C67666F4474D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_EC2B0682DEDD4F7ED30767666F44ABFC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivablesNetCurrentAbstract_A44477A264C1D1D1F00C67666F4474D6" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_EC2B0682DEDD4F7ED30767666F44ABFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NontradeReceivablesCurrent" xlink:label="loc_us-gaap_NontradeReceivablesCurrent_0D2AAFFB5EA753B0197E67666F448C65" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivablesNetCurrentAbstract_A44477A264C1D1D1F00C67666F4474D6" xlink:to="loc_us-gaap_NontradeReceivablesCurrent_0D2AAFFB5EA753B0197E67666F448C65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_0DFA4BAA1E2321719CA367666F4494A3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_InventoryNet_0DFA4BAA1E2321719CA367666F4494A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_114C296E74083C5BC6FF67666F44390D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_OtherAssetsCurrent_114C296E74083C5BC6FF67666F44390D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_E4A23EB708725932B09E67666F4402CA" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_B3E1470D52E73AFFC40267666F444D59" xlink:to="loc_us-gaap_AssetsCurrent_E4A23EB708725932B09E67666F4402CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_3B0CABB391CE2912364167666F458E94" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_3B0CABB391CE2912364167666F458E94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3B6A42856841DE5BE8E467666F4512E5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3B6A42856841DE5BE8E467666F4512E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_E53EB85099CFF7E6AFC567666F456DBA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_EquityMethodInvestments_E53EB85099CFF7E6AFC567666F456DBA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_08377DFDCC9D661835CD67666F451BC5" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_08377DFDCC9D661835CD67666F451BC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_0BF2071A66755F7438B467666F459432" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_0BF2071A66755F7438B467666F459432" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_DFAF25379589D31E9EC867666F45B189" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_7FF222D214DF8F02FCB367666F44F476" xlink:to="loc_us-gaap_Assets_DFAF25379589D31E9EC867666F45B189" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_3EA8439DA226A39510E467666F447F37" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_8A4C371D846E85E6370967666F450A60" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:to="loc_us-gaap_DebtCurrent_8A4C371D846E85E6370967666F450A60" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_A218A84AE5F77E5B43F567666F452046" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:to="loc_us-gaap_AccountsPayableCurrent_A218A84AE5F77E5B43F567666F452046" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_A3824C8A4DB6E98E5A4E67666F45C66A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_A3824C8A4DB6E98E5A4E67666F45C66A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_B89AECF1E5CAE113FCBF67666F45EF27" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_42F0D0E3869DDCB654D267666F450D6D" xlink:to="loc_us-gaap_LiabilitiesCurrent_B89AECF1E5CAE113FCBF67666F45EF27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_C44B1BA91232BB65750267666F45F6BC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_C44B1BA91232BB65750267666F45F6BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesNoncurrent_12107238E307E797A3E767666F455A7C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_DueToRelatedPartiesNoncurrent_12107238E307E797A3E767666F455A7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_25D413EF203671FDF8EC67666F45D52A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_25D413EF203671FDF8EC67666F45D52A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_6FB5FDDB89D00AE5DCD867666F454B06" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_6FB5FDDB89D00AE5DCD867666F454B06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_4FAAC07148C60D52925367666F4585CD" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_Liabilities_4FAAC07148C60D52925367666F4585CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4A6D6A3B4F58C2F3739167666F46417A" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_CommitmentsAndContingencies_4A6D6A3B4F58C2F3739167666F46417A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_E1F8010A0DF1A63D676367666F468BC2" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_E1F8010A0DF1A63D676367666F468BC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_E1F8010A0DF1A63D676367666F468BC2" xlink:to="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_57EF44CFBEA94379E51B67666F46FA8D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_PreferredStockValue_57EF44CFBEA94379E51B67666F46FA8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_89884089BDE3010E739B67666F46571A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_CommonStockValue_89884089BDE3010E739B67666F46571A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_290067A248F57C6B4B2A67666F46219A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_AdditionalPaidInCapital_290067A248F57C6B4B2A67666F46219A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_30ECA6660EAB98D391AC67666F462504" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_30ECA6660EAB98D391AC67666F462504" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_D51CCA773CF87595CAE567666F462092" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_D51CCA773CF87595CAE567666F462092" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_D2EFD49BAE892FDE077467666F465734" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_TreasuryStockValue_D2EFD49BAE892FDE077467666F465734" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_97C66F5D31AC62B5583B67666F46528B" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_169BFDB8C2B10CAED5D567666F46A0A6" xlink:to="loc_us-gaap_StockholdersEquity_97C66F5D31AC62B5583B67666F46528B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_119FDD84C3475872F2FE67666F46F2D3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_E1F8010A0DF1A63D676367666F468BC2" xlink:to="loc_us-gaap_MinorityInterest_119FDD84C3475872F2FE67666F46F2D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_B8F01CBC8F268203138867666F46B8E8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_E1F8010A0DF1A63D676367666F468BC2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_B8F01CBC8F268203138867666F46B8E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_1570CC570BAB6A2F39FD67666F46DAC7" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_4EF5C78326E3C3623F5367666F45EF96" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_1570CC570BAB6A2F39FD67666F46DAC7" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_807C3BF0C411A84AE3102F4887356F68" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_A54EEEE6313A7B4A560B2F488735DF0C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_807C3BF0C411A84AE3102F4887356F68" xlink:to="loc_us-gaap_StatementTable_A54EEEE6313A7B4A560B2F488735DF0C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_86C148CFED9C704D33582F48873586FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_A54EEEE6313A7B4A560B2F488735DF0C" xlink:to="loc_us-gaap_StatementScenarioAxis_86C148CFED9C704D33582F48873586FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_BDB773A10F46F0358ED62F4887351729_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_86C148CFED9C704D33582F48873586FC" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_BDB773A10F46F0358ED62F4887351729_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_BDB773A10F46F0358ED62F4887351729" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_86C148CFED9C704D33582F48873586FC" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_BDB773A10F46F0358ED62F4887351729" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_807C3BF0C411A84AE3102F4887356F68" xlink:to="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_A69A1B665A9B567D38A52F488735EF30" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_A69A1B665A9B567D38A52F488735EF30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_F5A415E302BA0E7183242F4887358459" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_F5A415E302BA0E7183242F4887358459" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_D9371D6B8843155EB8122F4887367E9C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_PreferredStockSharesIssued_D9371D6B8843155EB8122F4887367E9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_9DD24C6EF52307CC25952F488736A38B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_9DD24C6EF52307CC25952F488736A38B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_804EFF0745ABD6C925E82F48873674C8" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_804EFF0745ABD6C925E82F48873674C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_433EEDAC55D64FEED3A62F4887362DC5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_CommonStockSharesIssued_433EEDAC55D64FEED3A62F4887362DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_47158753B6B27FE7351C2F488736303E" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_47158753B6B27FE7351C2F488736303E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_81527862C1D6128F1E6A2F4887367A7F" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_343488E7EE9160D6B3042F4887355AA4" xlink:to="loc_us-gaap_TreasuryStockShares_81527862C1D6128F1E6A2F4887367A7F" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementOfStockholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_BD6FF6D9CA743B86F5FC7544BE4EC5CC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_358E95CADBC45EBEB3977544BE4DC00E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_BD6FF6D9CA743B86F5FC7544BE4EC5CC" xlink:to="loc_us-gaap_StatementTable_358E95CADBC45EBEB3977544BE4DC00E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_4B94FB9A0A183CA4743D7544BE4DD45E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_358E95CADBC45EBEB3977544BE4DC00E" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_4B94FB9A0A183CA4743D7544BE4DD45E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4B94FB9A0A183CA4743D7544BE4DD45E" xlink:to="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4B94FB9A0A183CA4743D7544BE4DD45E" xlink:to="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6" xlink:to="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_A7EBA48D11C9AC6284987544BE4EBEDD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:to="loc_us-gaap_CommonStockMember_A7EBA48D11C9AC6284987544BE4EBEDD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_5484E7EE8D7A89E735237544BE4EFD7B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_5484E7EE8D7A89E735237544BE4EFD7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_DAFF7A8E0504B3DD86127544BE4EDA16" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:to="loc_us-gaap_RetainedEarningsMember_DAFF7A8E0504B3DD86127544BE4EDA16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5E128001F99287AEC2687544BE4EC03C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5E128001F99287AEC2687544BE4EC03C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_A3818A3989C23F7F0D987544BE4EB96E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1E0682DFE89007A4A88A7544BE4EDED4" xlink:to="loc_us-gaap_TreasuryStockMember_A3818A3989C23F7F0D987544BE4EB96E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_259E9FA5499BD5FB0D567544BE4E9D8E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B662904DF2EC578B7A8F7544BE4DEAC6" xlink:to="loc_us-gaap_NoncontrollingInterestMember_259E9FA5499BD5FB0D567544BE4E9D8E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_DB7660FD2B0AD93845507544BE4E4EA8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_BD6FF6D9CA743B86F5FC7544BE4EC5CC" xlink:to="loc_us-gaap_TreasuryStockShares_DB7660FD2B0AD93845507544BE4E4EA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_BD6FF6D9CA743B86F5FC7544BE4EC5CC" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F593927038A41355A5D27544BE4F46C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F593927038A41355A5D27544BE4F46C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_22CE58FFE88F0743BF377544BE4FB6FD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_CommonStockSharesIssued_22CE58FFE88F0743BF377544BE4FB6FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_D89A9D2CDF023AC77B507544BE4F7E3E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_ProfitLoss_D89A9D2CDF023AC77B507544BE4F7E3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_CB4933C0E3500A1A823A7544BE4F1AEE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_CB4933C0E3500A1A823A7544BE4F1AEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_6AF24B0086CD5F2537C47544BE4F0878" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_6AF24B0086CD5F2537C47544BE4F0878" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_808C06DAD70F48641A9F7544BE4FBD14" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_808C06DAD70F48641A9F7544BE4FBD14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_81A289FCE8555ADF09C97544BE4F7F6C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_81A289FCE8555ADF09C97544BE4F7F6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_4C7808F592955C50CD5F7544BE4FEEA8" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_4C7808F592955C50CD5F7544BE4FEEA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_E0F8773E9AE528D62A587544BE4F2E36" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_E0F8773E9AE528D62A587544BE4F2E36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_94D7AABEDC4F0A61EF627544BE4F32EE" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_94D7AABEDC4F0A61EF627544BE4F32EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_7EF6BC398824C7254B967544BE4F747D" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_7EF6BC398824C7254B967544BE4F747D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_A94517941D0B7B2B5B677544BE4FFED8" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_A94517941D0B7B2B5B677544BE4FFED8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_82072631FE188320D7BE7544BE4F9D07" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_82072631FE188320D7BE7544BE4F9D07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_32E0600B5A0BDC93503C7544BE503F0C" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_A9DB5ABCC46F597692D37544BE4F71E9" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_32E0600B5A0BDC93503C7544BE503F0C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_113A0A4D338FE2AFED55765B7FFCD18D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_StatementTable_113A0A4D338FE2AFED55765B7FFCD18D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_AB5390D3854837D80375765B7FFDCFD5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_113A0A4D338FE2AFED55765B7FFCD18D" xlink:to="loc_us-gaap_StatementScenarioAxis_AB5390D3854837D80375765B7FFDCFD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_6E4A1F6BDB958A5517EE765B7FFDA43B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_AB5390D3854837D80375765B7FFDCFD5" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_6E4A1F6BDB958A5517EE765B7FFDA43B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_6E4A1F6BDB958A5517EE765B7FFDA43B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_AB5390D3854837D80375765B7FFDCFD5" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_6E4A1F6BDB958A5517EE765B7FFDA43B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_A35E011EC92EFD918544765B7FFDAF06" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_A35E011EC92EFD918544765B7FFDAF06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_3D30DB1B6948E4735E9A765B7FFECB73" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_A35E011EC92EFD918544765B7FFDAF06" xlink:to="loc_us-gaap_ProfitLoss_3D30DB1B6948E4735E9A765B7FFECB73" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_A35E011EC92EFD918544765B7FFDAF06" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_E7476F79EE33D5FF5D54765B7FFE7740" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_E7476F79EE33D5FF5D54765B7FFE7740" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_06329E9C4EFD5AF2DB5F765B7FFF6C7E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_06329E9C4EFD5AF2DB5F765B7FFF6C7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_89E1B9F41C429DF3557A765B7FFFA8EE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_89E1B9F41C429DF3557A765B7FFFA8EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_5B5E47824FF33A13AFD3765B8000E9D4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_5B5E47824FF33A13AFD3765B8000E9D4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_GainsLossesOnExtinguishmentOfDebtAttributableToFinancingActivities" xlink:label="loc_amkr_GainsLossesOnExtinguishmentOfDebtAttributableToFinancingActivities_472ED4D10A8BBD66C647765B8000CACF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_amkr_GainsLossesOnExtinguishmentOfDebtAttributableToFinancingActivities_472ED4D10A8BBD66C647765B8000CACF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_2C28A43C6F1D0F0AB133765B8000C544" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_2C28A43C6F1D0F0AB133765B8000C544" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_3D3B9F371738972DEE47765B80008CE7" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_ShareBasedCompensation_3D3B9F371738972DEE47765B80008CE7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_3CD0DE471D498A798B7C765B8001C398" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_FCD665E54856D725AA95765B7FFE98F5" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_3CD0DE471D498A798B7C765B8001C398" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_A35E011EC92EFD918544765B7FFDAF06" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_CC9B85BC6496B69D6506765B80019F7A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_CC9B85BC6496B69D6506765B80019F7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_616AD93800CC1A9B634A765B8002219F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_616AD93800CC1A9B634A765B8002219F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_A639003E10C7B256BC10765B800235D5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_A639003E10C7B256BC10765B800235D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A374FDC6A68CF7CBF713765B8002A47D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_A374FDC6A68CF7CBF713765B8002A47D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_E340D74CF044FA5BD9B0765B80029D3D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_E340D74CF044FA5BD9B0765B80029D3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_E95E8DFE6059EECA9CF5765B80036A85" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_E95E8DFE6059EECA9CF5765B80036A85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_222C17022CB1E2AD7E5B765B80030E68" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_222C17022CB1E2AD7E5B765B80030E68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A3E3628E1F282ED6174D765B8003DCF7" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_D016683C238387AF9AC5765B80016EFB" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A3E3628E1F282ED6174D765B8003DCF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6B9EAF42ADF7E94CF2C7765B8004F4CA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6B9EAF42ADF7E94CF2C7765B8004F4CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_661FF696CBAC4789FC5E765B800527EC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_661FF696CBAC4789FC5E765B800527EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_EA8E1FC1CCECE8EAFA11765B80050AE2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_EA8E1FC1CCECE8EAFA11765B80050AE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_33A26F8F6CC2815FE763765B80056300" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_33A26F8F6CC2815FE763765B80056300" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_FinancingLeasePaymentFromUnconsolidatedAffiliate" xlink:label="loc_amkr_FinancingLeasePaymentFromUnconsolidatedAffiliate_5E7019C16F4182B3CDC4765B800551F9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_amkr_FinancingLeasePaymentFromUnconsolidatedAffiliate_5E7019C16F4182B3CDC4765B800551F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_CD8898DC04AD27023389765B80062082" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_CD8898DC04AD27023389765B80062082" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_68285047A7B10CF308A4765B80063A4A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_68285047A7B10CF308A4765B80063A4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01375EDAB5C57DF985A8765B8006B217" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01375EDAB5C57DF985A8765B8006B217" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0CD8CB9300AAAABABB16765B80065811" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4FADD35BC115E944757D765B8004205C" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0CD8CB9300AAAABABB16765B80065811" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_72B390E14BB44459A562765B8007B509" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_72B390E14BB44459A562765B8007B509" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_3BC0D8BE6A8E9A972F00765B80076BA8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_3BC0D8BE6A8E9A972F00765B80076BA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromShortTermDebt_BABF529CE1859C5ACD60765B8007C62A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_ProceedsFromShortTermDebt_BABF529CE1859C5ACD60765B8007C62A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebt_6EB6EFB66025D818295B765B8008334E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_RepaymentsOfShortTermDebt_6EB6EFB66025D818295B765B8008334E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_A4086BE61F76D90BB0A0765B8008F857" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_A4086BE61F76D90BB0A0765B8008F857" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="loc_us-gaap_ProceedsFromRelatedPartyDebt_FF6489EBB9D592E5B179765B8009F88D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_ProceedsFromRelatedPartyDebt_FF6489EBB9D592E5B179765B8009F88D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_67D61D26A29CA90D1D80765B80093128" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_67D61D26A29CA90D1D80765B80093128" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6F692086DDEFD42233ED765B80099ACF" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6F692086DDEFD42233ED765B80099ACF" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PaymentsofDebtExchangeCosts" xlink:label="loc_amkr_PaymentsofDebtExchangeCosts_145E3FB8E2F44B307004765B80095012" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_amkr_PaymentsofDebtExchangeCosts_145E3FB8E2F44B307004765B80095012" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_E9A9D4638864E837781A765B800A4802" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_E9A9D4638864E837781A765B800A4802" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_5A0BAE937858BC5F16D3765B800A1241" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_5A0BAE937858BC5F16D3765B800A1241" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_D62CC9A10B7B65FBDBC0765B800AB045" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_D62CC9A10B7B65FBDBC0765B800AB045" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_37ACEC0A350B251596F5765B800A8A57" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_EFE3402940621F6C662D765B80079564" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_37ACEC0A350B251596F5765B800A8A57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_4DA0363342C3108FC5ED765B800B44DC" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_4DA0363342C3108FC5ED765B800B44DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_23BC6F0A0D9D8BC57281765B800B14C8" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_23BC6F0A0D9D8BC57281765B800B14C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D50A9FC1A4AA49588593765B800B0F04" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D50A9FC1A4AA49588593765B800B0F04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_CA60FF91A03F409C85CA765B800CDF3F" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_CA60FF91A03F409C85CA765B800CDF3F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_CashPaidDuringPeriodForAbstract" xlink:label="loc_amkr_CashPaidDuringPeriodForAbstract_1F2DE7638CBA6268D5CE765B800C8284" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_CA60FF91A03F409C85CA765B800CDF3F" xlink:to="loc_amkr_CashPaidDuringPeriodForAbstract_1F2DE7638CBA6268D5CE765B800C8284" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_554D322A939585571C7B765B800C466E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_CashPaidDuringPeriodForAbstract_1F2DE7638CBA6268D5CE765B800C8284" xlink:to="loc_us-gaap_InterestPaid_554D322A939585571C7B765B800C466E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_D59FF6F3FF06D8D7976F765B800DCCD4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_CashPaidDuringPeriodForAbstract_1F2DE7638CBA6268D5CE765B800C8284" xlink:to="loc_us-gaap_IncomeTaxesPaid_D59FF6F3FF06D8D7976F765B800DCCD4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_2C1B97A62EE116098F2E765B800E579F" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2A75FF5657ED34B66489765B7FFD3ACE" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_2C1B97A62EE116098F2E765B800E579F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_32D0A921DB4DBE2B9935765B800E331F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_2C1B97A62EE116098F2E765B800E579F" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_32D0A921DB4DBE2B9935765B800E331F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionOriginalDebtAmount1" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_95EB670798280C6E3ACD765B800E0ABF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_2C1B97A62EE116098F2E765B800E579F" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_95EB670798280C6E3ACD765B800E0ABF" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_C41E01D6AD1C90E13809755867B040EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2301F1A40DF4459C7B20755867AFFCB5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_C41E01D6AD1C90E13809755867B040EB" xlink:to="loc_us-gaap_StatementTable_2301F1A40DF4459C7B20755867AFFCB5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_B3B1E4030FB1BD8E7C34755867AFA0D0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2301F1A40DF4459C7B20755867AFFCB5" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_B3B1E4030FB1BD8E7C34755867AFA0D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_60D8D9E91BDB74EE164E755867AF7A13_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_B3B1E4030FB1BD8E7C34755867AFA0D0" xlink:to="loc_us-gaap_RelatedPartyDomain_60D8D9E91BDB74EE164E755867AF7A13_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_60D8D9E91BDB74EE164E755867AF7A13" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_B3B1E4030FB1BD8E7C34755867AFA0D0" xlink:to="loc_us-gaap_RelatedPartyDomain_60D8D9E91BDB74EE164E755867AF7A13" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RelatedPartyMember" xlink:label="loc_amkr_RelatedPartyMember_7A1B3643A7C89763B4A9755867AF5436" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_60D8D9E91BDB74EE164E755867AF7A13" xlink:to="loc_amkr_RelatedPartyMember_7A1B3643A7C89763B4A9755867AF5436" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4B853693853E97251E47755867AFE3E0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2301F1A40DF4459C7B20755867AFFCB5" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4B853693853E97251E47755867AFE3E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4B853693853E97251E47755867AFE3E0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4B853693853E97251E47755867AFE3E0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member" xlink:label="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_5CB70BA11553DF7BDD31755867AFB8CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F" xlink:to="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_5CB70BA11553DF7BDD31755867AFB8CF" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2013Member" xlink:label="loc_amkr_ConvertibleNotesDue2013Member_4BE6927A1241783A7886755867B06E7D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C97A5F9B4C10C2D9D64D755867AFCC4F" xlink:to="loc_amkr_ConvertibleNotesDue2013Member_4BE6927A1241783A7886755867B06E7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_157DB5C473DFCD4B2569755867B0A965" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C41E01D6AD1C90E13809755867B040EB" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_157DB5C473DFCD4B2569755867B0A965" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4364113E3599FE46A865755867B082DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_157DB5C473DFCD4B2569755867B0A965" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4364113E3599FE46A865755867B082DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_3589B354A4DB553C89EA755867B0F77C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_157DB5C473DFCD4B2569755867B0A965" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_3589B354A4DB553C89EA755867B0F77C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_44F2B792D1946ECC317B701126AD4CE6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_StatementTable_44F2B792D1946ECC317B701126AD4CE6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B4A677A9FCB2241F2095701126AD227F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_44F2B792D1946ECC317B701126AD4CE6" xlink:to="loc_us-gaap_StatementScenarioAxis_B4A677A9FCB2241F2095701126AD227F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1E5430CC05F343985F75701126AD0A61_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_B4A677A9FCB2241F2095701126AD227F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1E5430CC05F343985F75701126AD0A61_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1E5430CC05F343985F75701126AD0A61" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_B4A677A9FCB2241F2095701126AD227F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1E5430CC05F343985F75701126AD0A61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_B54FB46AFBF278F49A12701126AD9D5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_ProfitLoss_B54FB46AFBF278F49A12701126AD9D5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_BE27B9158ABF57B4E143701126AD0C1E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_BE27B9158ABF57B4E143701126AD0C1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_149141504F6A65AE61B2701126ADBDC1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_149141504F6A65AE61B2701126ADBDC1" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentNetofTax" xlink:label="loc_amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentNetofTax_00FC99D64A03FD0F4BD3701126AD1DFD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:to="loc_amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentNetofTax_00FC99D64A03FD0F4BD3701126AD1DFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2B577CAB54E40399DD0D701126AD3D1C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_7BDC83C25C7E2F1A9605701126AD5F73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2B577CAB54E40399DD0D701126AD3D1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0DE46FDF1AB3320399BF701126AD2B4E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0DE46FDF1AB3320399BF701126AD2B4E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_2CABC52B636356087E3A701126AD7143" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_2CABC52B636356087E3A701126AD7143" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_0253A91B32F10ED8E71B701126AD5DB0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_756A75EB6AB972F8F12C701126AD25CC" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_0253A91B32F10ED8E71B701126AD5DB0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_86BF7F8E27CFF55ED4D9701126A914AC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_518836F128931287B485701126A9C46E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_86BF7F8E27CFF55ED4D9701126A914AC" xlink:to="loc_us-gaap_StatementTable_518836F128931287B485701126A9C46E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_95424F4573827755E4CC701126A91AAD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_518836F128931287B485701126A9C46E" xlink:to="loc_us-gaap_StatementScenarioAxis_95424F4573827755E4CC701126A91AAD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_840C62675B4466DB91FC701126A9B7F5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_95424F4573827755E4CC701126A91AAD" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_840C62675B4466DB91FC701126A9B7F5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_840C62675B4466DB91FC701126A9B7F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_95424F4573827755E4CC701126A91AAD" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_840C62675B4466DB91FC701126A9B7F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_2136AA80AD894CB70140701126A92711" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_86BF7F8E27CFF55ED4D9701126A914AC" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_2136AA80AD894CB70140701126A92711" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentTaxEffect" xlink:label="loc_amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentTaxEffect_4845565627196B8EB8887015D6E050C4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_86BF7F8E27CFF55ED4D9701126A914AC" xlink:to="loc_amkr_OtherComprehensiveIncomeLossPortionAttributabletoEquityMethodInvestmentTaxEffect_4845565627196B8EB8887015D6E050C4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_80E9FB5EF2B5357CCF9F701126B36A40" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_StatementTable_80E9FB5EF2B5357CCF9F701126B36A40" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_725BDFAF3DB2989FBA9B701126B4AF25" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_80E9FB5EF2B5357CCF9F701126B36A40" xlink:to="loc_us-gaap_StatementScenarioAxis_725BDFAF3DB2989FBA9B701126B4AF25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_63F3956A8D3032070D87701126B4FE9F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_725BDFAF3DB2989FBA9B701126B4AF25" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_63F3956A8D3032070D87701126B4FE9F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_63F3956A8D3032070D87701126B4FE9F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_725BDFAF3DB2989FBA9B701126B4AF25" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_63F3956A8D3032070D87701126B4FE9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_5114D0904CD3B9CB2785701126B4DFCB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_SalesRevenueNet_5114D0904CD3B9CB2785701126B4DFCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_FC59D028992CCD554A7B701126B4A467" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_FC59D028992CCD554A7B701126B4A467" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_332740B1101B60EC0BF7701126B4CB45" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_GrossProfit_332740B1101B60EC0BF7701126B4CB45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4DAD90496DD3C330EDB9701126B4709C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4DAD90496DD3C330EDB9701126B4709C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_0BAA3AA5D619A9CAE27D701126B4B433" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_0BAA3AA5D619A9CAE27D701126B4B433" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_ADB117A8FB750C693339701126B431D5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_OperatingExpenses_ADB117A8FB750C693339701126B431D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_C0F86A102AD347362A26701126B494A2" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_OperatingIncomeLoss_C0F86A102AD347362A26701126B494A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_D8647F0FA777E02E9201701126B4144E" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_InterestExpense_D8647F0FA777E02E9201701126B4144E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_012C605FB72E9683810A701126B4F9D6" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_012C605FB72E9683810A701126B4F9D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4B0DE7F830291A369438701126B47A51" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_4B0DE7F830291A369438701126B47A51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_BF6B375AA2187D370F6D701126B453F2" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_BF6B375AA2187D370F6D701126B453F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5D6F26AB82C31CB0C0A6701126B51892" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5D6F26AB82C31CB0C0A6701126B51892" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_92E2A8F4D4F1EBA15A0C701126B5566F" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_92E2A8F4D4F1EBA15A0C701126B5566F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Incomebeforeequityinearningsofunconsolidatedaffiliate" xlink:label="loc_amkr_Incomebeforeequityinearningsofunconsolidatedaffiliate_58C4B74A23BE336FE4E8701126B5C3B4" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_amkr_Incomebeforeequityinearningsofunconsolidatedaffiliate_58C4B74A23BE336FE4E8701126B5C3B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_641D587F0DB6C8193F59701126B54773" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_641D587F0DB6C8193F59701126B54773" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_98CA5C8742A0FE702E11701126B53A8E" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_ProfitLoss_98CA5C8742A0FE702E11701126B53A8E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_653D47BB4E9AE08D80AB701126B58308" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_653D47BB4E9AE08D80AB701126B58308" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_B1CBE94C23CBD1EDE830701126B524FF" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_NetIncomeLoss_B1CBE94C23CBD1EDE830701126B524FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_E6822C218ABE34ACFB7D701126B51E18" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_EarningsPerShareAbstract_E6822C218ABE34ACFB7D701126B51E18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_50B5332B3CF099836559701126B53AA3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_E6822C218ABE34ACFB7D701126B51E18" xlink:to="loc_us-gaap_EarningsPerShareBasic_50B5332B3CF099836559701126B53AA3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7E8945F4072D6BA5334B701126B5149C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_E6822C218ABE34ACFB7D701126B51E18" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7E8945F4072D6BA5334B701126B5149C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C39A413819A620611F43701126B500FC" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1D2765DCC7DF8B445D6F701126B44E57" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C39A413819A620611F43701126B500FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D6B51A61386D3722A4B8701126B5BBAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C39A413819A620611F43701126B500FC" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D6B51A61386D3722A4B8701126B5BBAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3DFA5CF15F9F857BF36C701126B5E8AF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C39A413819A620611F43701126B500FC" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3DFA5CF15F9F857BF36C701126B5E8AF" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/Debt" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DebtDebtInstrumentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_BF1C32F9E537F98CE541ED5661ECA64C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BF1C32F9E537F98CE541ED5661ECA64C" xlink:to="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0D803E20DEDED8389B42ED5661E57BD3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0D803E20DEDED8389B42ED5661E57BD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B41856B9847E557F6694ED5661E68FF0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0D803E20DEDED8389B42ED5661E57BD3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B41856B9847E557F6694ED5661E68FF0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B41856B9847E557F6694ED5661E68FF0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0D803E20DEDED8389B42ED5661E57BD3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B41856B9847E557F6694ED5661E68FF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_7F409FEB788864BD8D3CED5661E6F24C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:to="loc_us-gaap_DebtInstrumentAxis_7F409FEB788864BD8D3CED5661E6F24C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C2A8F0EE5FEE97E2FD9FED5661E64371_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_7F409FEB788864BD8D3CED5661E6F24C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C2A8F0EE5FEE97E2FD9FED5661E64371_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C2A8F0EE5FEE97E2FD9FED5661E64371" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_7F409FEB788864BD8D3CED5661E6F24C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C2A8F0EE5FEE97E2FD9FED5661E64371" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_554E09E130BF5AB76AF5ED5661E69E6A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:to="loc_us-gaap_VariableRateAxis_554E09E130BF5AB76AF5ED5661E69E6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_2E43639725024FC6979DED5661E94006_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_554E09E130BF5AB76AF5ED5661E69E6A" xlink:to="loc_us-gaap_VariableRateDomain_2E43639725024FC6979DED5661E94006_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_2E43639725024FC6979DED5661E94006" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_554E09E130BF5AB76AF5ED5661E69E6A" xlink:to="loc_us-gaap_VariableRateDomain_2E43639725024FC6979DED5661E94006" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_F820009864800B85DB91ED5661EAB087" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_53CB41D9A10F76394772ED5661E4C116" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_F820009864800B85DB91ED5661EAB087" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_B1035B25E6D011740E8DED5661EC1430_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_F820009864800B85DB91ED5661EAB087" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_B1035B25E6D011740E8DED5661EC1430_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_B1035B25E6D011740E8DED5661EC1430" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_F820009864800B85DB91ED5661EAB087" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_B1035B25E6D011740E8DED5661EC1430" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleSubordinatedDebt" xlink:label="loc_us-gaap_ConvertibleSubordinatedDebt_A231DD3751932F1F5B5AED5669FB4346" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BF1C32F9E537F98CE541ED5661ECA64C" xlink:to="loc_us-gaap_ConvertibleSubordinatedDebt_A231DD3751932F1F5B5AED5669FB4346" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_078D183DEB71A423633075F50C3DF0FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_CreditFacilityAxis_078D183DEB71A423633075F50C3DF0FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_078D183DEB71A423633075F50C3DF0FE" xlink:to="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_078D183DEB71A423633075F50C3DF0FE" xlink:to="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Revolvingcreditfacility2.00dueJune2016Member" xlink:label="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_E48F7989C20556B0034C75F50C3D3125" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4" xlink:to="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_E48F7989C20556B0034C75F50C3D3125" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJune2016Member" xlink:label="loc_amkr_TermLoanDueJune2016Member_C5A424B16ADF2FF00AC575F50C3DCCFE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_41D29B3E6E1F74BE15FE75F50C3DF5F4" xlink:to="loc_amkr_TermLoanDueJune2016Member_C5A424B16ADF2FF00AC575F50C3DCCFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_24278A29B017DE9D035175F50C3D0BCB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_DebtInstrumentAxis_24278A29B017DE9D035175F50C3D0BCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_24278A29B017DE9D035175F50C3D0BCB" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_24278A29B017DE9D035175F50C3D0BCB" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueOctober2022FirstIssueMember" xlink:label="loc_amkr_SeniorNotesDueOctober2022FirstIssueMember_45482B491E7E941110F175F50C3D9DB7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702" xlink:to="loc_amkr_SeniorNotesDueOctober2022FirstIssueMember_45482B491E7E941110F175F50C3D9DB7" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueOctober2022SecondIssueMember" xlink:label="loc_amkr_SeniorNotesDueOctober2022SecondIssueMember_D47F383780F99A2F574E75F50C3DF47C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0E5BFE9EC5446F623A8A75F50C3DC702" xlink:to="loc_amkr_SeniorNotesDueOctober2022SecondIssueMember_D47F383780F99A2F574E75F50C3DF47C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_2465866CB36EACDF653575F50C3E9E5F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_2465866CB36EACDF653575F50C3E9E5F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_2465866CB36EACDF653575F50C3E9E5F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_2465866CB36EACDF653575F50C3E9E5F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_9A0F7368C47FBB26494075F50C3E1E92" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_9A0F7368C47FBB26494075F50C3E1E92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_6D06740A8EE59797326C75F50C433CD2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318" xlink:to="loc_us-gaap_LetterOfCreditMember_6D06740A8EE59797326C75F50C433CD2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RevolvingCreditFacilityDueApril2015Member" xlink:label="loc_amkr_RevolvingCreditFacilityDueApril2015Member_F8B0DC5ED0F977511AC075F50C4426DE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_D13B40797A9CA7ED488075F50C3EF318" xlink:to="loc_amkr_RevolvingCreditFacilityDueApril2015Member_F8B0DC5ED0F977511AC075F50C4426DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_44E2037D48699AF6FE9F75F50C44D3AF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_44E2037D48699AF6FE9F75F50C44D3AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_44E2037D48699AF6FE9F75F50C44D3AF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_44E2037D48699AF6FE9F75F50C44D3AF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueSeptember2017Member" xlink:label="loc_amkr_TermLoanDueSeptember2017Member_16366BFA5E517EB47CFB75F50C445B35" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_TermLoanDueSeptember2017Member_16366BFA5E517EB47CFB75F50C445B35" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member" xlink:label="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_3F671FB1642ED3DB8FA875F50C44CB11" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_3F671FB1642ED3DB8FA875F50C44CB11" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJune2016Member" xlink:label="loc_amkr_TermLoanDueJune2016Member_9170C09AA7758DE7D32975F50C44D83C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_TermLoanDueJune2016Member_9170C09AA7758DE7D32975F50C44D83C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueOctober2022Member" xlink:label="loc_amkr_SeniorNotesDueOctober2022Member_A9B52651083757453D9475F50C4499D1" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_SeniorNotesDueOctober2022Member_A9B52651083757453D9475F50C4499D1" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueMarch2015Member" xlink:label="loc_amkr_TermLoanDueMarch2015Member_182871BC558BCDCFF19075F50C44EC4E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_TermLoanDueMarch2015Member_182871BC558BCDCFF19075F50C44EC4E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AtkTermLoanDue2017Member" xlink:label="loc_amkr_AtkTermLoanDue2017Member_24B489D1B3309938409075F50C443EB3" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_AtkTermLoanDue2017Member_24B489D1B3309938409075F50C443EB3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueDecember2019Member" xlink:label="loc_amkr_TermLoanDueDecember2019Member_FE165435F1A362DDB45F75F50C4440FA" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4F7A1401A5D33B410EAF75F50C44836E" xlink:to="loc_amkr_TermLoanDueDecember2019Member_FE165435F1A362DDB45F75F50C4440FA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0598B668389D55A5E62475F50C44DAF3" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0598B668389D55A5E62475F50C44DAF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_42A99E6D89FE67B93F7F75F50C44CFA0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0598B668389D55A5E62475F50C44DAF3" xlink:to="loc_us-gaap_RelatedPartyDomain_42A99E6D89FE67B93F7F75F50C44CFA0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_42A99E6D89FE67B93F7F75F50C44CFA0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0598B668389D55A5E62475F50C44DAF3" xlink:to="loc_us-gaap_RelatedPartyDomain_42A99E6D89FE67B93F7F75F50C44CFA0" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RelatedPartyMember" xlink:label="loc_amkr_RelatedPartyMember_42E371A9C96755A655C075F50C44D98B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_42A99E6D89FE67B93F7F75F50C44CFA0" xlink:to="loc_amkr_RelatedPartyMember_42E371A9C96755A655C075F50C44D98B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameAxis" xlink:label="loc_amkr_TrancheByTrancheNameAxis_60AC1D6440E4FC0D0EB875F50C440411" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_amkr_TrancheByTrancheNameAxis_60AC1D6440E4FC0D0EB875F50C440411" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameDomain" xlink:label="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_TrancheByTrancheNameAxis_60AC1D6440E4FC0D0EB875F50C440411" xlink:to="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameDomain" xlink:label="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_TrancheByTrancheNameAxis_60AC1D6440E4FC0D0EB875F50C440411" xlink:to="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheMember" xlink:label="loc_amkr_TrancheMember_AAA9AD2B3F92B6223BDB75F50C4562AE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6" xlink:to="loc_amkr_TrancheMember_AAA9AD2B3F92B6223BDB75F50C4562AE" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheBMember" xlink:label="loc_amkr_TrancheBMember_D61185B08B661CC460A175F50C45AFAF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_TrancheByTrancheNameDomain_0E33D3B0665890E47F9D75F50C4508E6" xlink:to="loc_amkr_TrancheBMember_D61185B08B661CC460A175F50C45AFAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_723C8A4E845979E4325675F50C450624" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_dei_LegalEntityAxis_723C8A4E845979E4325675F50C450624" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_723C8A4E845979E4325675F50C450624" xlink:to="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_723C8A4E845979E4325675F50C450624" xlink:to="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_KoreaSubsidiariesMember" xlink:label="loc_amkr_KoreaSubsidiariesMember_4B5631C8E0E96776BC4D75F50C4531FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96" xlink:to="loc_amkr_KoreaSubsidiariesMember_4B5631C8E0E96776BC4D75F50C4531FD" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanSubsidiariesMember" xlink:label="loc_amkr_TaiwanSubsidiariesMember_91C0934DA48ACE7AA57A75F50C4598C6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_F695BB334D8BE696BF3D75F50C45BF96" xlink:to="loc_amkr_TaiwanSubsidiariesMember_91C0934DA48ACE7AA57A75F50C4598C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_A497666C6CA69B3C885775F50C45525B" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_F1BF87647FF87B515E4D75F50C3D4E76" xlink:to="loc_us-gaap_RangeAxis_A497666C6CA69B3C885775F50C45525B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_A497666C6CA69B3C885775F50C45525B" xlink:to="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_A497666C6CA69B3C885775F50C45525B" xlink:to="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_DB5B423346D8D3C6705275F50C45D6B6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0" xlink:to="loc_us-gaap_MinimumMember_DB5B423346D8D3C6705275F50C45D6B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F606DF748AAD210AE37E75F50C4515CF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_72F2B33ACAFF2C50951575F50C4573A0" xlink:to="loc_us-gaap_MaximumMember_F606DF748AAD210AE37E75F50C4515CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentsAbstract" xlink:label="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_EF215BC171EA588B1F2A75F50C46F8AC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_EF215BC171EA588B1F2A75F50C46F8AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_CA8A203803B1E6C33FBE75F50C46AE50" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_CA8A203803B1E6C33FBE75F50C46AE50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_31D189925C820392D96B75F50C462D27" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_31D189925C820392D96B75F50C462D27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_A804316473B7DE9E3B9275F50C461AC0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_A804316473B7DE9E3B9275F50C461AC0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_DebtInstrumentInterestRateAtPeriodEnd_CBB0929D61E9AC30D15975F50C46FAE1" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentInterestRateAtPeriodEnd_CBB0929D61E9AC30D15975F50C46FAE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_926CDD137E79FEC9CBA475F50C4670C1" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_926CDD137E79FEC9CBA475F50C4670C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_8184BBF84B3DB5C21C1A75F50C462BE0" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_8184BBF84B3DB5C21C1A75F50C462BE0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_86F1C1DDFEEA7AD8794375F50C46A46D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_SeniorNotes_86F1C1DDFEEA7AD8794375F50C46A46D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_1DBED95142D3BB2D6B1F75F50C46799A" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_1DBED95142D3BB2D6B1F75F50C46799A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DebtInstrumentUnamortizedPremiumPercentage" xlink:label="loc_amkr_DebtInstrumentUnamortizedPremiumPercentage_7AD149DDECA7212833F475F50C46FADC" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_amkr_DebtInstrumentUnamortizedPremiumPercentage_7AD149DDECA7212833F475F50C46FADC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_9643F2506DFCF23CA35875F50C46EF19" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_9643F2506DFCF23CA35875F50C46EF19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtIssuanceCosts" xlink:label="loc_us-gaap_DebtIssuanceCosts_686DA33A7449070B236F75F50C46C920" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtIssuanceCosts_686DA33A7449070B236F75F50C46C920" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_A7E3227E94A51A953E7D75F50C47E223" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_A7E3227E94A51A953E7D75F50C47E223" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleSubordinatedDebt" xlink:label="loc_us-gaap_ConvertibleSubordinatedDebt_F9B6B145CB38FC59B4EC75F50C4757D7" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_ConvertibleSubordinatedDebt_F9B6B145CB38FC59B4EC75F50C4757D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_937FFF92D9B2F13FBDB075F50C477C99" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentTerm_937FFF92D9B2F13FBDB075F50C477C99" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_E08928AC74086A1C8DF375F50C478F1C" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_E08928AC74086A1C8DF375F50C478F1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_6128CC17BE878940FD3675F50C476A2A" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_6128CC17BE878940FD3675F50C476A2A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_LineOfCreditFacilityStepDownProvision" xlink:label="loc_amkr_LineOfCreditFacilityStepDownProvision_8F1898DA134B7D4E908F75F50C47F9EF" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_42837723ADBA75B947F775F50C465B16" xlink:to="loc_amkr_LineOfCreditFacilityStepDownProvision_8F1898DA134B7D4E908F75F50C47F9EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_06DB7AF72B160C95FF0675F50C475EEE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_LoansPayable_06DB7AF72B160C95FF0675F50C475EEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_159384F284043BDA854B75F50C476CE8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_159384F284043BDA854B75F50C476CE8" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DebtInstrumentFaceAmountRelatedParty" xlink:label="loc_amkr_DebtInstrumentFaceAmountRelatedParty_AB792E40CBE6F698E30875F50C47646D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_amkr_DebtInstrumentFaceAmountRelatedParty_AB792E40CBE6F698E30875F50C47646D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_DB0CA80930040D9BF2FB75F50C475988" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_DB0CA80930040D9BF2FB75F50C475988" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PaymentsofDebtExchangeCosts" xlink:label="loc_amkr_PaymentsofDebtExchangeCosts_8C4008D0B071098BB1EF75F50C473F82" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_amkr_PaymentsofDebtExchangeCosts_8C4008D0B071098BB1EF75F50C473F82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtConversionOriginalDebtAmount1" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_2586416CAB2849482D8175F50C47F888" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_CEF5327CD38345CDA13D75F50C46C2D4" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_2586416CAB2849482D8175F50C47F888" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DebtInterestRatesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_639BF5FAFF14FE68F33E75F3851D5B40" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_639BF5FAFF14FE68F33E75F3851D5B40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_639BF5FAFF14FE68F33E75F3851D5B40" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_639BF5FAFF14FE68F33E75F3851D5B40" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueMarch2015Member" xlink:label="loc_amkr_TermLoanDueMarch2015Member_5DDF21B099DE1C2FEB6575F3851D3B18" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:to="loc_amkr_TermLoanDueMarch2015Member_5DDF21B099DE1C2FEB6575F3851D3B18" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJune2016Member" xlink:label="loc_amkr_TermLoanDueJune2016Member_199B49C80EB183B74A4B75F3851D8F8A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:to="loc_amkr_TermLoanDueJune2016Member_199B49C80EB183B74A4B75F3851D8F8A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJuly2017Member" xlink:label="loc_amkr_TermLoanDueJuly2017Member_170F34165FFDF0FD278875F3851D08A3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:to="loc_amkr_TermLoanDueJuly2017Member_170F34165FFDF0FD278875F3851D08A3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueSeptember2017Member" xlink:label="loc_amkr_TermLoanDueSeptember2017Member_7C3B90AA9F307EC9E11575F3851D144E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:to="loc_amkr_TermLoanDueSeptember2017Member_7C3B90AA9F307EC9E11575F3851D144E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueDecember2019Member" xlink:label="loc_amkr_TermLoanDueDecember2019Member_2B0EFD766DD0FDD5195875F3851D20E8" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C4811AE31B94343BAF0075F3851D36D2" xlink:to="loc_amkr_TermLoanDueDecember2019Member_2B0EFD766DD0FDD5195875F3851D20E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_B5BA1D479884DAAD68F375F3851ED6AB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_B5BA1D479884DAAD68F375F3851ED6AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_DB392CBC76B1AEB048F775F3851EE640_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B5BA1D479884DAAD68F375F3851ED6AB" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_DB392CBC76B1AEB048F775F3851EE640_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_DB392CBC76B1AEB048F775F3851EE640" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B5BA1D479884DAAD68F375F3851ED6AB" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_DB392CBC76B1AEB048F775F3851EE640" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_4BA98006728E49C7898775F3851E0A89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_DB392CBC76B1AEB048F775F3851EE640" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_4BA98006728E49C7898775F3851E0A89" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameAxis" xlink:label="loc_amkr_TrancheByTrancheNameAxis_4AEBBEFF1E02AB8413BE75F3851EDFDB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:to="loc_amkr_TrancheByTrancheNameAxis_4AEBBEFF1E02AB8413BE75F3851EDFDB" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameDomain" xlink:label="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_TrancheByTrancheNameAxis_4AEBBEFF1E02AB8413BE75F3851EDFDB" xlink:to="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheByTrancheNameDomain" xlink:label="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_TrancheByTrancheNameAxis_4AEBBEFF1E02AB8413BE75F3851EDFDB" xlink:to="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheMember" xlink:label="loc_amkr_TrancheMember_94B2B732A9A9EE7FF2C275F3851E4477" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557" xlink:to="loc_amkr_TrancheMember_94B2B732A9A9EE7FF2C275F3851E4477" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TrancheBMember" xlink:label="loc_amkr_TrancheBMember_377D6FCE6D90952B3F4675F3851FD451" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_TrancheByTrancheNameDomain_9809347FA45CC49FA98675F3851EB557" xlink:to="loc_amkr_TrancheBMember_377D6FCE6D90952B3F4675F3851FD451" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_33733BABF680FC0734B475F3851F75F8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0E15E1E876DFD65BCD5E75F3851CF884" xlink:to="loc_dei_LegalEntityAxis_33733BABF680FC0734B475F3851F75F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_33733BABF680FC0734B475F3851F75F8" xlink:to="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_33733BABF680FC0734B475F3851F75F8" xlink:to="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_KoreaSubsidiariesMember" xlink:label="loc_amkr_KoreaSubsidiariesMember_4D2D04B5529B2606FB1A75F3851F6C8A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75" xlink:to="loc_amkr_KoreaSubsidiariesMember_4D2D04B5529B2606FB1A75F3851F6C8A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanSubsidiariesMember" xlink:label="loc_amkr_TaiwanSubsidiariesMember_559EA2F5287F9762972575F3851F66A3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CECFA8FA69E9586E67D675F3851F1A75" xlink:to="loc_amkr_TaiwanSubsidiariesMember_559EA2F5287F9762972575F3851F66A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_DebtInstrumentInterestRateAtPeriodEnd_ED99D15B38B29A60185575F3851FD72E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_us-gaap_DebtInstrumentInterestRateAtPeriodEnd_ED99D15B38B29A60185575F3851FD72E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_AB00D5A372ED626302CA75F3851FD2A4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_AB00D5A372ED626302CA75F3851FD2A4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Percentoffixedratedebt" xlink:label="loc_amkr_Percentoffixedratedebt_7DFC1B69647B265E171275F38520F205" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_amkr_Percentoffixedratedebt_7DFC1B69647B265E171275F38520F205" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Percentofvariableratedebt" xlink:label="loc_amkr_Percentofvariableratedebt_76FAD4092627F389CA6375F38520ECE4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_amkr_Percentofvariableratedebt_76FAD4092627F389CA6375F38520ECE4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_82204E52BC0800F8EA5C75F38520A24C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_82204E52BC0800F8EA5C75F38520A24C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_BA8225395CF05B1ADC5075F3852016C2" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F5A4CAA8CE7DCA185ABF75F3851F0B1C" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_BA8225395CF05B1ADC5075F3852016C2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DebtLongTermDebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_ECCFD5D40A170C52042275F50AC5B786" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:to="loc_us-gaap_CreditFacilityAxis_ECCFD5D40A170C52042275F50AC5B786" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_ECCFD5D40A170C52042275F50AC5B786" xlink:to="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_ECCFD5D40A170C52042275F50AC5B786" xlink:to="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Revolvingcreditfacility2.00dueJune2016Member" xlink:label="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_B1027366855095118FAC75F50AC503CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B" xlink:to="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_B1027366855095118FAC75F50AC503CA" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_D668584E3B982B8677B775F50AC54963" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_6FC0CC151CA68F95B27175F50AC5551B" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_D668584E3B982B8677B775F50AC54963" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_DB507906FC59655CBE2675F50AC53066" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_DB507906FC59655CBE2675F50AC53066" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DB507906FC59655CBE2675F50AC53066" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DB507906FC59655CBE2675F50AC53066" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueMay2018Member" xlink:label="loc_amkr_SeniorNotesDueMay2018Member_B9403B37E8203AF9276B75F50AC59409" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_SeniorNotesDueMay2018Member_B9403B37E8203AF9276B75F50AC59409" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDue2021Member" xlink:label="loc_amkr_SeniorNotesDue2021Member_8ABC0CB0939D5A5D72D675F50AC59D0A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_SeniorNotesDue2021Member_8ABC0CB0939D5A5D72D675F50AC59D0A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueOctober2022Member" xlink:label="loc_amkr_SeniorNotesDueOctober2022Member_2A3CEFDE4D32D95C703975F50AC5F9C3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_SeniorNotesDueOctober2022Member_2A3CEFDE4D32D95C703975F50AC5F9C3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member" xlink:label="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_0B5A8A67CD0E86491BC175F50AC6D9FF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_0B5A8A67CD0E86491BC175F50AC6D9FF" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueMarch2015Member" xlink:label="loc_amkr_TermLoanDueMarch2015Member_65F5616BBFC2E9A6F33B75F50AC66368" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_TermLoanDueMarch2015Member_65F5616BBFC2E9A6F33B75F50AC66368" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJune2016Member" xlink:label="loc_amkr_TermLoanDueJune2016Member_DBEAEBCA9DA7D827482C75F50AC65719" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_TermLoanDueJune2016Member_DBEAEBCA9DA7D827482C75F50AC65719" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJuly2017Member" xlink:label="loc_amkr_TermLoanDueJuly2017Member_3D84B6842816FF855C6A75F50AC6E5FE" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_TermLoanDueJuly2017Member_3D84B6842816FF855C6A75F50AC6E5FE" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueSeptember2017Member" xlink:label="loc_amkr_TermLoanDueSeptember2017Member_73EEFB8CDFEA0D944D9275F50AC66852" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_TermLoanDueSeptember2017Member_73EEFB8CDFEA0D944D9275F50AC66852" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueDecember2019Member" xlink:label="loc_amkr_TermLoanDueDecember2019Member_BC59DB1BDC8E0ED9529575F50AC6791D" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_DE592BE432D2940A6BCC75F50AC5371E" xlink:to="loc_amkr_TermLoanDueDecember2019Member_BC59DB1BDC8E0ED9529575F50AC6791D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_83F967BC9821378E4AB875F50AC605AA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_83F967BC9821378E4AB875F50AC605AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_83F967BC9821378E4AB875F50AC605AA" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_83F967BC9821378E4AB875F50AC605AA" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_5BCAF902366AF79E9D6A75F50AC64879" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_5BCAF902366AF79E9D6A75F50AC64879" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RevolvingCreditFacilityDueApril2015Member" xlink:label="loc_amkr_RevolvingCreditFacilityDueApril2015Member_1EC0DA90C39BE768AE4275F50AC64DEA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_6973377451ED8A5E1F2075F50AC6229B" xlink:to="loc_amkr_RevolvingCreditFacilityDueApril2015Member_1EC0DA90C39BE768AE4275F50AC64DEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_70562458A56EBAB32FAE75F50AC77925" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_70562458A56EBAB32FAE75F50AC77925" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_8120391E3B3912430FA475F50AC723C3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_70562458A56EBAB32FAE75F50AC77925" xlink:to="loc_us-gaap_RelatedPartyDomain_8120391E3B3912430FA475F50AC723C3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_8120391E3B3912430FA475F50AC723C3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_70562458A56EBAB32FAE75F50AC77925" xlink:to="loc_us-gaap_RelatedPartyDomain_8120391E3B3912430FA475F50AC723C3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RelatedPartyMember" xlink:label="loc_amkr_RelatedPartyMember_3E60182C3EE39CB5C01E75F50AC7ABEC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_8120391E3B3912430FA475F50AC723C3" xlink:to="loc_amkr_RelatedPartyMember_3E60182C3EE39CB5C01E75F50AC7ABEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_D8C8B4E798D9810C9EED75F50AC76AC1" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B5615810FFAF1B70DF8375F50AC52916" xlink:to="loc_dei_LegalEntityAxis_D8C8B4E798D9810C9EED75F50AC76AC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_D8C8B4E798D9810C9EED75F50AC76AC1" xlink:to="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_D8C8B4E798D9810C9EED75F50AC76AC1" xlink:to="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_KoreaSubsidiariesMember" xlink:label="loc_amkr_KoreaSubsidiariesMember_68AD7E1AB3370E6237F075F50AC7255F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B" xlink:to="loc_amkr_KoreaSubsidiariesMember_68AD7E1AB3370E6237F075F50AC7255F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanSubsidiariesMember" xlink:label="loc_amkr_TaiwanSubsidiariesMember_78624B9E78B31CDC965575F50AC79C0F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_78E3D646DA097361BD2875F50AC7B66B" xlink:to="loc_amkr_TaiwanSubsidiariesMember_78624B9E78B31CDC965575F50AC79C0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_B20B9B2059E491DD98B175F50AC7EFC8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_B20B9B2059E491DD98B175F50AC7EFC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_F42916B75279CDC7792D75F50AC79E8B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_F42916B75279CDC7792D75F50AC79E8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_181B0B4221B59A0697EE75F50AC7DD88" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_181B0B4221B59A0697EE75F50AC7DD88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_506C3E522CCE2582807B75F50AC7FB14" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_SeniorNotes_506C3E522CCE2582807B75F50AC7FB14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleSubordinatedDebt" xlink:label="loc_us-gaap_ConvertibleSubordinatedDebt_4B515FF6031D62BDE7D075F50AC75BA9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_ConvertibleSubordinatedDebt_4B515FF6031D62BDE7D075F50AC75BA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_8AB8CB93B3CA3064B00475F50AC711F9" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_LoansPayable_8AB8CB93B3CA3064B00475F50AC711F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_59383683C12CA16DCB0B75F50AC8DD5E" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_us-gaap_DebtCurrent_59383683C12CA16DCB0B75F50AC8DD5E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_NonCurrentLongTermDebtIncludingRelatedParty" xlink:label="loc_amkr_NonCurrentLongTermDebtIncludingRelatedParty_D67F662FE8E8B5CD7F6E75F50AC89138" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B2C6DD55C95C2866698C75F50AC768B9" xlink:to="loc_amkr_NonCurrentLongTermDebtIncludingRelatedParty_D67F662FE8E8B5CD7F6E75F50AC89138" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DebtLongTermDebtParentheticalDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:to="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_D1787907E68A3DAA5B4F75F3E8E9DB29" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_D1787907E68A3DAA5B4F75F3E8E9DB29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_D1787907E68A3DAA5B4F75F3E8E9DB29" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_D1787907E68A3DAA5B4F75F3E8E9DB29" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Current150MillionSeniorSecuredCreditFacilitiesMember" xlink:label="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_BC2A2A9BBBAFA9CBD58575F3E8E9CA3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC" xlink:to="loc_amkr_Current150MillionSeniorSecuredCreditFacilitiesMember_BC2A2A9BBBAFA9CBD58575F3E8E9CA3F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_Revolvingcreditfacility2.00dueJune2016Member" xlink:label="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_9636F64E968C8D6ED47075F3E8EA6F9B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC" xlink:to="loc_amkr_Revolvingcreditfacility2.00dueJune2016Member_9636F64E968C8D6ED47075F3E8EA6F9B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RevolvingCreditFacilityDueApril2015Member" xlink:label="loc_amkr_RevolvingCreditFacilityDueApril2015Member_41DD58FA1DBD91F6F22E75F3E8EA4253" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_67CAA5F2F0EF1D4D1BDC75F3E8E913AC" xlink:to="loc_amkr_RevolvingCreditFacilityDueApril2015Member_41DD58FA1DBD91F6F22E75F3E8EA4253" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221EE4C32E2C204DBCC575F3E8EAC04F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221EE4C32E2C204DBCC575F3E8EAC04F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_121700D717E07633ED3975F3E8EA826C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221EE4C32E2C204DBCC575F3E8EAC04F" xlink:to="loc_us-gaap_RelatedPartyDomain_121700D717E07633ED3975F3E8EA826C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_121700D717E07633ED3975F3E8EA826C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221EE4C32E2C204DBCC575F3E8EAC04F" xlink:to="loc_us-gaap_RelatedPartyDomain_121700D717E07633ED3975F3E8EA826C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RelatedPartyMember" xlink:label="loc_amkr_RelatedPartyMember_EB38CB741D848AB6AB8175F3E8EA0FE1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_121700D717E07633ED3975F3E8EA826C" xlink:to="loc_amkr_RelatedPartyMember_EB38CB741D848AB6AB8175F3E8EA0FE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_A057DF2746CE0964C5B275F3E8EA5311" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:to="loc_dei_LegalEntityAxis_A057DF2746CE0964C5B275F3E8EA5311" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_A057DF2746CE0964C5B275F3E8EA5311" xlink:to="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_A057DF2746CE0964C5B275F3E8EA5311" xlink:to="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_KoreaSubsidiariesMember" xlink:label="loc_amkr_KoreaSubsidiariesMember_774A9A78BD028A40671975F3E8EBC6E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030" xlink:to="loc_amkr_KoreaSubsidiariesMember_774A9A78BD028A40671975F3E8EBC6E2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanSubsidiariesMember" xlink:label="loc_amkr_TaiwanSubsidiariesMember_3D207978E13F86D9A0D675F3E8EB4CEF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CA2CF28A01D4A8AC218275F3E8EBA030" xlink:to="loc_amkr_TaiwanSubsidiariesMember_3D207978E13F86D9A0D675F3E8EB4CEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_5C7C0F90AAF45CCA875F75F3E8EC7F65" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:to="loc_us-gaap_RangeAxis_5C7C0F90AAF45CCA875F75F3E8EC7F65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_5C7C0F90AAF45CCA875F75F3E8EC7F65" xlink:to="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_5C7C0F90AAF45CCA875F75F3E8EC7F65" xlink:to="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_CB58869CEF240306460875F3E8ECFCDB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205" xlink:to="loc_us-gaap_MinimumMember_CB58869CEF240306460875F3E8ECFCDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_AAB1AB068AFC88D001C275F3E8EC7950" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_895E8B442BBBC7EE4CE575F3E8ECA205" xlink:to="loc_us-gaap_MaximumMember_AAB1AB068AFC88D001C275F3E8EC7950" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8DFD2EBD14E676A9F45F75F3E8EC4A9E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1D939B5AB5E5FCA93CA075F3E8E9918D" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8DFD2EBD14E676A9F45F75F3E8EC4A9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8DFD2EBD14E676A9F45F75F3E8EC4A9E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8DFD2EBD14E676A9F45F75F3E8EC4A9E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueMay2018Member" xlink:label="loc_amkr_SeniorNotesDueMay2018Member_9FCCCE449F68BD12C8D275F3E8ED1975" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_SeniorNotesDueMay2018Member_9FCCCE449F68BD12C8D275F3E8ED1975" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDue2021Member" xlink:label="loc_amkr_SeniorNotesDue2021Member_0DAC7F69604CE6B4327C75F3E8ED8B65" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_SeniorNotesDue2021Member_0DAC7F69604CE6B4327C75F3E8ED8B65" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeniorNotesDueOctober2022Member" xlink:label="loc_amkr_SeniorNotesDueOctober2022Member_7E0924E11A19004FA64A75F3E8ED29CA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_SeniorNotesDueOctober2022Member_7E0924E11A19004FA64A75F3E8ED29CA" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member" xlink:label="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_8B635CAC649B7F74D7D175F3E8ED1BD9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_ConvertibleSeniorSubordinatedNotesDueApril2014Member_8B635CAC649B7F74D7D175F3E8ED1BD9" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueMarch2015Member" xlink:label="loc_amkr_TermLoanDueMarch2015Member_1C381A74FC6CEDE02B1975F3E8ED4620" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_TermLoanDueMarch2015Member_1C381A74FC6CEDE02B1975F3E8ED4620" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJune2016Member" xlink:label="loc_amkr_TermLoanDueJune2016Member_85DAF52C6E848E20794375F3E8EDD60B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_TermLoanDueJune2016Member_85DAF52C6E848E20794375F3E8EDD60B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueJuly2017Member" xlink:label="loc_amkr_TermLoanDueJuly2017Member_7F1F22417B7260634F8575F3E8EE38A7" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_TermLoanDueJuly2017Member_7F1F22417B7260634F8575F3E8EE38A7" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueSeptember2017Member" xlink:label="loc_amkr_TermLoanDueSeptember2017Member_69F59BAD9DD5B9DD3A9275F3E8EEB2EC" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_TermLoanDueSeptember2017Member_69F59BAD9DD5B9DD3A9275F3E8EEB2EC" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TermLoanDueDecember2019Member" xlink:label="loc_amkr_TermLoanDueDecember2019Member_276E89795158506E249A75F3E8EE8ECC" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_7110B0B73DB5EF5D2A7F75F3E8ED6708" xlink:to="loc_amkr_TermLoanDueDecember2019Member_276E89795158506E249A75F3E8EE8ECC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_14265359266BA535210475F3E8EF2002" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_14265359266BA535210475F3E8EF2002" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_148C79258B15978CBFA775F3E8F05635" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_148C79258B15978CBFA775F3E8F05635" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_C797B4A5B0610E7975D675F3E8F03E55" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_C797B4A5B0610E7975D675F3E8F03E55" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DebtInstrumentFaceAmountRelatedParty" xlink:label="loc_amkr_DebtInstrumentFaceAmountRelatedParty_467F36C20D5DE443C9C575F3E8F05DB6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_269FA05542718343E35175F3E8EFF85E" xlink:to="loc_amkr_DebtInstrumentFaceAmountRelatedParty_467F36C20D5DE443C9C575F3E8F05DB6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DebtMaturitiesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DebtTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesOtherDetails" xlink:type="extended">
    <loc xlink:href="amkr-20131231.xsd#amkr_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="loc_amkr_SummaryOfSignificantAccountingPoliciesLineItems_9CC1CEC40716312A490276F07ADA5D85" xlink:type="locator" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ScheduleOfSignificantAccountingPoliciesTable" xlink:label="loc_amkr_ScheduleOfSignificantAccountingPoliciesTable_0202859C9CF39B4A69E676F07ACF76E1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amkr_SummaryOfSignificantAccountingPoliciesLineItems_9CC1CEC40716312A490276F07ADA5D85" xlink:to="loc_amkr_ScheduleOfSignificantAccountingPoliciesTable_0202859C9CF39B4A69E676F07ACF76E1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8773F01065607A3CD15276F07ACF93E5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_ScheduleOfSignificantAccountingPoliciesTable_0202859C9CF39B4A69E676F07ACF76E1" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8773F01065607A3CD15276F07ACF93E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4476F9F1430EDBE747A576F07AD45FEA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8773F01065607A3CD15276F07ACF93E5" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4476F9F1430EDBE747A576F07AD45FEA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4476F9F1430EDBE747A576F07AD45FEA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_8773F01065607A3CD15276F07ACF93E5" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4476F9F1430EDBE747A576F07AD45FEA" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_JDevicesMember" xlink:label="loc_amkr_JDevicesMember_EA0E2E3C8CB4B7F4F36376F07AD4EE85" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4476F9F1430EDBE747A576F07AD45FEA" xlink:to="loc_amkr_JDevicesMember_EA0E2E3C8CB4B7F4F36376F07AD4EE85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8FA22871E61D2F6AA82276F07AD4255C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_ScheduleOfSignificantAccountingPoliciesTable_0202859C9CF39B4A69E676F07ACF76E1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8FA22871E61D2F6AA82276F07AD4255C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8FA22871E61D2F6AA82276F07AD4255C" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8FA22871E61D2F6AA82276F07AD4255C" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UseRightsMember" xlink:label="loc_us-gaap_UseRightsMember_7247DCF586AE3F80E36276F07C504756" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:to="loc_us-gaap_UseRightsMember_7247DCF586AE3F80E36276F07C504756" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_2C3E1034F1CDD7DC6C4D76F07AD4113E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_2C3E1034F1CDD7DC6C4D76F07AD4113E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_82E99EE8169FAB2752A076F07AD42233" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_82E99EE8169FAB2752A076F07AD42233" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SoftwareAndComputerEquipmentMember" xlink:label="loc_amkr_SoftwareAndComputerEquipmentMember_E624C9281F9B8463B86076F07AD4049A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:to="loc_amkr_SoftwareAndComputerEquipmentMember_E624C9281F9B8463B86076F07AD4049A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_074A3D95EE04E22ED4C676F07AD58C95" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_016782E031DB5A1CCBB476F07AD4822F" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_074A3D95EE04E22ED4C676F07AD58C95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_4D3F53296E0A86020EF376F07AD582E8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_ScheduleOfSignificantAccountingPoliciesTable_0202859C9CF39B4A69E676F07ACF76E1" xlink:to="loc_us-gaap_RangeAxis_4D3F53296E0A86020EF376F07AD582E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_4D3F53296E0A86020EF376F07AD582E8" xlink:to="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_4D3F53296E0A86020EF376F07AD582E8" xlink:to="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_0B00E2B4268992CC7E0876F07ADAE7FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A" xlink:to="loc_us-gaap_MinimumMember_0B00E2B4268992CC7E0876F07ADAE7FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_EAC04641630341C239FC76F07ADAC437" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2F207F5DA3FD6A9B645276F07ADA8B0A" xlink:to="loc_us-gaap_MaximumMember_EAC04641630341C239FC76F07ADAC437" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_2095968BADCF1336A7AD76F07ADA30ED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryOfSignificantAccountingPoliciesLineItems_9CC1CEC40716312A490276F07ADA5D85" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_2095968BADCF1336A7AD76F07ADA30ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_D3F9F9C176CAB4FC1A8A76F07ADA3E0F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryOfSignificantAccountingPoliciesLineItems_9CC1CEC40716312A490276F07ADA5D85" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_D3F9F9C176CAB4FC1A8A76F07ADA3E0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_665FA3E11D74A2B9381276F07ADB55AB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryOfSignificantAccountingPoliciesLineItems_9CC1CEC40716312A490276F07ADA5D85" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_665FA3E11D74A2B9381276F07ADB55AB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesVariableInterestEntityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_83C04C00058797F20CDC2F4887C78F8B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_BC2CD9DAB3004912DBF72F4887C72350" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_83C04C00058797F20CDC2F4887C78F8B" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_BC2CD9DAB3004912DBF72F4887C72350" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_226AE7EB84F37E2FE8452F4887C77A5D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_BC2CD9DAB3004912DBF72F4887C72350" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_226AE7EB84F37E2FE8452F4887C77A5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_A4B8693E9AD5A862CFA12F4887C72A3C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_226AE7EB84F37E2FE8452F4887C77A5D" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_A4B8693E9AD5A862CFA12F4887C72A3C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_A4B8693E9AD5A862CFA12F4887C72A3C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_226AE7EB84F37E2FE8452F4887C77A5D" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_A4B8693E9AD5A862CFA12F4887C72A3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_A517065674E44947E94F2F4887C70EE3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_A4B8693E9AD5A862CFA12F4887C72A3C" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_A517065674E44947E94F2F4887C70EE3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_65773B19AE0916EB72E62F4887C75FB7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_83C04C00058797F20CDC2F4887C78F8B" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_65773B19AE0916EB72E62F4887C75FB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet_B14A3BFD50F3F2D930162F4887C74C3B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_83C04C00058797F20CDC2F4887C78F8B" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet_B14A3BFD50F3F2D930162F4887C74C3B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_7339C7C1F7BE1F4DFFE62F488633174F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_BC65AE6A09824A2FF3F92F488633DFA1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_7339C7C1F7BE1F4DFFE62F488633174F" xlink:to="loc_dei_DocumentInformationTable_BC65AE6A09824A2FF3F92F488633DFA1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentInformationDocumentAxis" xlink:label="loc_dei_DocumentInformationDocumentAxis_9B157973ABB4A81730BD2F4886339E7C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_BC65AE6A09824A2FF3F92F488633DFA1" xlink:to="loc_dei_DocumentInformationDocumentAxis_9B157973ABB4A81730BD2F4886339E7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_1B0E725769842CAAC9CC2F4886339FD5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_DocumentInformationDocumentAxis_9B157973ABB4A81730BD2F4886339E7C" xlink:to="loc_dei_DocumentDomain_1B0E725769842CAAC9CC2F4886339FD5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_1B0E725769842CAAC9CC2F4886339FD5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_DocumentInformationDocumentAxis_9B157973ABB4A81730BD2F4886339E7C" xlink:to="loc_dei_DocumentDomain_1B0E725769842CAAC9CC2F4886339FD5" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DocumentAndEntityInformationAbstract" xlink:label="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_7339C7C1F7BE1F4DFFE62F488633174F" xlink:to="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_1E1A159D99529CE08C172F4886348226" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityRegistrantName_1E1A159D99529CE08C172F4886348226" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_14E161BD1100604563032F48863445BD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityCentralIndexKey_14E161BD1100604563032F48863445BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_B0FF5FDF849E6F3878AC2F488634E2DD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_CurrentFiscalYearEndDate_B0FF5FDF849E6F3878AC2F488634E2DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_A42EFC3A88E65BDE758E2F488634014D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityFilerCategory_A42EFC3A88E65BDE758E2F488634014D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_1A5405D3F8F9FE517AE02F488634AAAF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_DocumentType_1A5405D3F8F9FE517AE02F488634AAAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_A4F8166CE745168C2A3D2F4886342677" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_DocumentPeriodEndDate_A4F8166CE745168C2A3D2F4886342677" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_73DA464099185497AB402F488634788B" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_DocumentFiscalYearFocus_73DA464099185497AB402F488634788B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_B077A724AE8EC11B697D2F4886342C37" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_DocumentFiscalPeriodFocus_B077A724AE8EC11B697D2F4886342C37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_530257FFF2FE21471F6A2F488634533D" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_AmendmentFlag_530257FFF2FE21471F6A2F488634533D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_F23C78A405731440AC512F4886347312" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_F23C78A405731440AC512F4886347312" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_AB1263B396AA2E7B69252F488634AF12" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_AB1263B396AA2E7B69252F488634AF12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_E8C35D2468B60EC419482F488634F6AA" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityVoluntaryFilers_E8C35D2468B60EC419482F488634F6AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_52AE1E72D25D08FE40522F48863494E8" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityCurrentReportingStatus_52AE1E72D25D08FE40522F48863494E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_EBD9B44018476AA9D3692F488634143A" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DocumentAndEntityInformationAbstract_C516372AFB0F2D82FAA12F488633A6CA" xlink:to="loc_dei_EntityPublicFloat_EBD9B44018476AA9D3692F488634143A" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/EarningsPerShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/EarningsPerShareAntidilutiveDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9C5EFED4CE2F142C20437673583E1862" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_361D89C088E8FB8CE294767358375DDB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9C5EFED4CE2F142C20437673583E1862" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_361D89C088E8FB8CE294767358375DDB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_A15A2EE0232ADB845E68767358372AFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_361D89C088E8FB8CE294767358375DDB" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_A15A2EE0232ADB845E68767358372AFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A15A2EE0232ADB845E68767358372AFB" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A15A2EE0232ADB845E68767358372AFB" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2014Member" xlink:label="loc_amkr_ConvertibleNotesDue2014Member_392599F151258A5CEABB76779E3A1720" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD" xlink:to="loc_amkr_ConvertibleNotesDue2014Member_392599F151258A5CEABB76779E3A1720" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2013Member" xlink:label="loc_amkr_ConvertibleNotesDue2013Member_C45FEAB82FE6BCC2B3C776779E6D76BD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD" xlink:to="loc_amkr_ConvertibleNotesDue2013Member_C45FEAB82FE6BCC2B3C776779E6D76BD" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2011Member" xlink:label="loc_amkr_ConvertibleNotesDue2011Member_FC6805EFC10AD557F1CA767358386AC5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_249004FA6B0BEF4175C87673583757FD" xlink:to="loc_amkr_ConvertibleNotesDue2011Member_FC6805EFC10AD557F1CA767358386AC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_BED24FDE45909261DA887673583E4875" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9C5EFED4CE2F142C20437673583E1862" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_BED24FDE45909261DA887673583E4875" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_93EF1BDA2F5F69221B6F7673583E1F36" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9C5EFED4CE2F142C20437673583E1862" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_93EF1BDA2F5F69221B6F7673583E1F36" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/EarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="amkr-20131231.xsd#amkr_DilutiveSecuritiesAdjustmentsLineItems" xlink:label="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:type="locator" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DilutiveSecuritiesAdjustmentsTable" xlink:label="loc_amkr_DilutiveSecuritiesAdjustmentsTable_C6AFE4FF35D3CBA99317767358973728" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_amkr_DilutiveSecuritiesAdjustmentsTable_C6AFE4FF35D3CBA99317767358973728" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_9317AC954BD0C8B5C26E7680F332ED8F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsTable_C6AFE4FF35D3CBA99317767358973728" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_9317AC954BD0C8B5C26E7680F332ED8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_9317AC954BD0C8B5C26E7680F332ED8F" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_9317AC954BD0C8B5C26E7680F332ED8F" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2013Member" xlink:label="loc_amkr_ConvertibleNotesDue2013Member_BC03103AFDFFCAC0367A7680F449F9DF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851" xlink:to="loc_amkr_ConvertibleNotesDue2013Member_BC03103AFDFFCAC0367A7680F449F9DF" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_StockOptionsAndRestrictedSharesMember" xlink:label="loc_amkr_StockOptionsAndRestrictedSharesMember_B041A85711019BF987927680F3CA913B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851" xlink:to="loc_amkr_StockOptionsAndRestrictedSharesMember_B041A85711019BF987927680F3CA913B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2011Member" xlink:label="loc_amkr_ConvertibleNotesDue2011Member_2CAADF62DF6931EEEF4D7688E7B79ECE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_BD80DE3EE6841B76A6D97680F37BF851" xlink:to="loc_amkr_ConvertibleNotesDue2011Member_2CAADF62DF6931EEEF4D7688E7B79ECE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_DE9ABBE4FA138C64D89F76735897EFCE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsTable_C6AFE4FF35D3CBA99317767358973728" xlink:to="loc_us-gaap_AwardTypeAxis_DE9ABBE4FA138C64D89F76735897EFCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4622F2F46D32D50966017673589788D1_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_DE9ABBE4FA138C64D89F76735897EFCE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4622F2F46D32D50966017673589788D1_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4622F2F46D32D50966017673589788D1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_DE9ABBE4FA138C64D89F76735897EFCE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4622F2F46D32D50966017673589788D1" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_StockOptionsAndRestrictedShareAwardsMember" xlink:label="loc_amkr_StockOptionsAndRestrictedShareAwardsMember_58C109C2861BAD24A24676735897A1B9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4622F2F46D32D50966017673589788D1" xlink:to="loc_amkr_StockOptionsAndRestrictedShareAwardsMember_58C109C2861BAD24A24676735897A1B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_792B4407C5EE80EA9DB176735897DA3D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsTable_C6AFE4FF35D3CBA99317767358973728" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_792B4407C5EE80EA9DB176735897DA3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_792B4407C5EE80EA9DB176735897DA3D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_792B4407C5EE80EA9DB176735897DA3D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2011Member" xlink:label="loc_amkr_ConvertibleNotesDue2011Member_C60011D9C9932ED6B1A576735897A01D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222" xlink:to="loc_amkr_ConvertibleNotesDue2011Member_C60011D9C9932ED6B1A576735897A01D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2013Member" xlink:label="loc_amkr_ConvertibleNotesDue2013Member_499FB6B9AAD8E2C33D447673589C0C5E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222" xlink:to="loc_amkr_ConvertibleNotesDue2013Member_499FB6B9AAD8E2C33D447673589C0C5E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ConvertibleNotesDue2014Member" xlink:label="loc_amkr_ConvertibleNotesDue2014Member_C16EB2B3BFCCB3B2067D7673589D7474" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0459A79483193DA4A5767358977222" xlink:to="loc_amkr_ConvertibleNotesDue2014Member_C16EB2B3BFCCB3B2067D7673589D7474" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_039CD5DBD1DF9C4A904E7680F29F1F11" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_039CD5DBD1DF9C4A904E7680F29F1F11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_E29626080193FE5D600C7673589D552F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_NetIncomeLoss_E29626080193FE5D600C7673589D552F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities" xlink:label="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_E497804E6361D9E715587673589DC19C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_E497804E6361D9E715587673589DC19C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_F7DCD74283277EF85BBD7673589D0B64" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_F7DCD74283277EF85BBD7673589D0B64" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AdjustmentForDilutiveSecuritiesOnNetIncomeAbstract" xlink:label="loc_amkr_AdjustmentForDilutiveSecuritiesOnNetIncomeAbstract_DE9283789AF967F9BEA87673589D1704" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_amkr_AdjustmentForDilutiveSecuritiesOnNetIncomeAbstract_DE9283789AF967F9BEA87673589D1704" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ReallocationofNetIncometoParticipatingSecurities" xlink:label="loc_amkr_ReallocationofNetIncometoParticipatingSecurities_2C0560A3014E4D0890D57673589DC6E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_AdjustmentForDilutiveSecuritiesOnNetIncomeAbstract_DE9283789AF967F9BEA87673589D1704" xlink:to="loc_amkr_ReallocationofNetIncometoParticipatingSecurities_2C0560A3014E4D0890D57673589DC6E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:label="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_D8D5E5048A50D56406C77673589D76ED" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_AdjustmentForDilutiveSecuritiesOnNetIncomeAbstract_DE9283789AF967F9BEA87673589D1704" xlink:to="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_D8D5E5048A50D56406C77673589D76ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_940A028CB2EE3B84D87B7673589DA7F8" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_940A028CB2EE3B84D87B7673589DA7F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_574AA24ED21A6EAD55E67673589D924A" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_574AA24ED21A6EAD55E67673589D924A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_073FC5414D19604DA8357673589D5FA1" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_073FC5414D19604DA8357673589D5FA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_76EFA2E4B1BBCCFECE9A7673589DCF98" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_073FC5414D19604DA8357673589D5FA1" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_76EFA2E4B1BBCCFECE9A7673589DCF98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3233AD5179C931C3F42F7673589D105D" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3233AD5179C931C3F42F7673589D105D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_F6DB26AC1A5259B15D867673589E88C6" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_F6DB26AC1A5259B15D867673589E88C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_6B79BA79220747D7C1F37673589E730D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_F6DB26AC1A5259B15D867673589E88C6" xlink:to="loc_us-gaap_EarningsPerShareBasic_6B79BA79220747D7C1F37673589E730D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_06C8933FF423A60C16027673589EB639" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_F6DB26AC1A5259B15D867673589E88C6" xlink:to="loc_us-gaap_EarningsPerShareDiluted_06C8933FF423A60C16027673589EB639" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_F263DBC53E6EB4261EE57673589E5258" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DilutiveSecuritiesAdjustmentsLineItems_E84B05FD1AE17BBB243C7673589D50C2" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_F263DBC53E6EB4261EE57673589E5258" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/EarningsPerShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ExitActivitiesAndReductionsInForce" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_838149BE05550375E1486CD156746799" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_838149BE05550375E1486CD156746799" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_5AC1E57148CC6E7763EC6CD156731497" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_5AC1E57148CC6E7763EC6CD156731497" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_5AC1E57148CC6E7763EC6CD156731497" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_5AC1E57148CC6E7763EC6CD156731497" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_34184C3433719C4861EC6CD156731A77" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02" xlink:to="loc_us-gaap_CostOfSalesMember_34184C3433719C4861EC6CD156731A77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_47C972B27823DA0905DE6CD156733557" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_22D1CD62AB1DBA623DF56CD156730C02" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_47C972B27823DA0905DE6CD156733557" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C872ED598318CEBA094A6CD156736A9C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:to="loc_us-gaap_RangeAxis_C872ED598318CEBA094A6CD156736A9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9457852EAD6D07257CC76CD15673B1F6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_C872ED598318CEBA094A6CD156736A9C" xlink:to="loc_us-gaap_RangeMember_9457852EAD6D07257CC76CD15673B1F6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9457852EAD6D07257CC76CD15673B1F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_C872ED598318CEBA094A6CD156736A9C" xlink:to="loc_us-gaap_RangeMember_9457852EAD6D07257CC76CD15673B1F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_4291E76B1F3A36D3911A6CD15673E77B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9457852EAD6D07257CC76CD15673B1F6" xlink:to="loc_us-gaap_MaximumMember_4291E76B1F3A36D3911A6CD15673E77B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_7B0A4947FF446A72E61C6CD15674523A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_7B0A4947FF446A72E61C6CD15674523A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_F137CFEB4259388E9A7B6CD15674AD28_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_7B0A4947FF446A72E61C6CD15674523A" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_F137CFEB4259388E9A7B6CD15674AD28_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_F137CFEB4259388E9A7B6CD15674AD28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_7B0A4947FF446A72E61C6CD15674523A" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_F137CFEB4259388E9A7B6CD15674AD28" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementAxis" xlink:label="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementAxis_EBDD16D507B4B3A92D006CD156743EC3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_24172B015EB90C8903066CD15673756C" xlink:to="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementAxis_EBDD16D507B4B3A92D006CD156743EC3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain" xlink:label="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementAxis_EBDD16D507B4B3A92D006CD156743EC3" xlink:to="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain" xlink:label="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementAxis_EBDD16D507B4B3A92D006CD156743EC3" xlink:to="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_F5506593A164208256516CD156744E52" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78" xlink:to="loc_us-gaap_CostOfSalesMember_F5506593A164208256516CD156744E52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_85A7AC411BB95015E2C26CD1567447F7" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_RestructuringAndRelatedCostByLocationOfIncomeStatementDomain_24B927935D6FA8DD68A26CD156743F78" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_85A7AC411BB95015E2C26CD1567447F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_us-gaap_SeveranceCosts1_3F8C96CE3995F7D7A71A6CD15674CE17" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_838149BE05550375E1486CD156746799" xlink:to="loc_us-gaap_SeveranceCosts1_3F8C96CE3995F7D7A71A6CD15674CE17" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DefinedBenefitPlanCurtailmentAndSettlement" xlink:label="loc_amkr_DefinedBenefitPlanCurtailmentAndSettlement_B88DFE8619EAAF069CE26CD15674883F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_838149BE05550375E1486CD156746799" xlink:to="loc_amkr_DefinedBenefitPlanCurtailmentAndSettlement_B88DFE8619EAAF069CE26CD15674883F" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceRestructuringReserveDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_BC56F42C8357C54074B90C13097E961A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4BAFEFCD3DC79C02D1BC0C13097DBC3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_BC56F42C8357C54074B90C13097E961A" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4BAFEFCD3DC79C02D1BC0C13097DBC3F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_8E20F5C76878FC189C080C13097DFE90" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4BAFEFCD3DC79C02D1BC0C13097DBC3F" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_8E20F5C76878FC189C080C13097DFE90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_FB3DA4C26327203FD9AB0C13097E4B35_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_8E20F5C76878FC189C080C13097DFE90" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_FB3DA4C26327203FD9AB0C13097E4B35_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_FB3DA4C26327203FD9AB0C13097E4B35" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_8E20F5C76878FC189C080C13097DFE90" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_FB3DA4C26327203FD9AB0C13097E4B35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_9B8BCD3147A217058F9A0C13097ED863" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_FB3DA4C26327203FD9AB0C13097E4B35" xlink:to="loc_us-gaap_EmployeeSeveranceMember_9B8BCD3147A217058F9A0C13097ED863" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_BC56F42C8357C54074B90C13097E961A" xlink:to="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_9213117A5171B0C750590C1309832B24" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:to="loc_us-gaap_RestructuringReserve_9213117A5171B0C750590C1309832B24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_9C4060662E25F3A41C6E0C13098386EF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:to="loc_us-gaap_RestructuringCharges_9C4060662E25F3A41C6E0C13098386EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_AD639E713D5DAD2656720C13098303C7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:to="loc_us-gaap_PaymentsForRestructuring_AD639E713D5DAD2656720C13098303C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_F512A662A86C1081D2700CACC94602CA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_E9E238B533CA87953FC40C130983FCF5" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_F512A662A86C1081D2700CACC94602CA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ExitActivitiesAndReductionsInForceTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/FairValueMeasurements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/FairValueMeasurementsDebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_D85A5D87F56F4B0A8B6A2F4886394224" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5AFC2EF78CB94E9997492F488638DE84" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_D85A5D87F56F4B0A8B6A2F4886394224" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5AFC2EF78CB94E9997492F488638DE84" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_C6537C615699EE5C4D6B2F4886384F5F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5AFC2EF78CB94E9997492F488638DE84" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_C6537C615699EE5C4D6B2F4886384F5F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C6537C615699EE5C4D6B2F4886384F5F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C6537C615699EE5C4D6B2F4886384F5F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_C675CCAF0748035711082F488638BF6C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769" xlink:to="loc_us-gaap_SeniorNotesMember_C675CCAF0748035711082F488638BF6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConvertibleSubordinatedDebtMember" xlink:label="loc_us-gaap_ConvertibleSubordinatedDebtMember_9CA3A87E7BE13CFD8B392F48863805B2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769" xlink:to="loc_us-gaap_ConvertibleSubordinatedDebtMember_9CA3A87E7BE13CFD8B392F48863805B2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SubsidiaryTermLoansMember" xlink:label="loc_amkr_SubsidiaryTermLoansMember_48411CCE35F9045ED0A12F488638D9CD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C522E4EA3F640EC607052F488638D769" xlink:to="loc_amkr_SubsidiaryTermLoansMember_48411CCE35F9045ED0A12F488638D9CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7064D2DA8B57E5E9BF992F4886383DC3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5AFC2EF78CB94E9997492F488638DE84" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7064D2DA8B57E5E9BF992F4886383DC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7064D2DA8B57E5E9BF992F4886383DC3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7064D2DA8B57E5E9BF992F4886383DC3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_AB4C7DD426455CFF70F42F488639B3B7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_AB4C7DD426455CFF70F42F488639B3B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_27DF9120276B75BE236F2F4886395AE8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9410464B4C0391A5E452F48863928CE" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_27DF9120276B75BE236F2F4886395AE8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_6DCE4DF103F4BAEC793A2F4886391D36" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_D85A5D87F56F4B0A8B6A2F4886394224" xlink:to="loc_us-gaap_DebtInstrumentFairValue_6DCE4DF103F4BAEC793A2F4886391D36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_E663DD6D0238D49CFF382F4886399DBA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_D85A5D87F56F4B0A8B6A2F4886394224" xlink:to="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_E663DD6D0238D49CFF382F4886399DBA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3D940BEB0AFCFBB437936B0FAEAF6E19" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A5DA1F2BD07CE0CD1AA86B0FAEAE4774" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3D940BEB0AFCFBB437936B0FAEAF6E19" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A5DA1F2BD07CE0CD1AA86B0FAEAE4774" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_FE6822B6559AD0326D856B0FAEAEE25C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A5DA1F2BD07CE0CD1AA86B0FAEAE4774" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_FE6822B6559AD0326D856B0FAEAEE25C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_FE6822B6559AD0326D856B0FAEAEE25C" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_FE6822B6559AD0326D856B0FAEAEE25C" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_48304787E3B4985A95B66B0FAEAEEE78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_48304787E3B4985A95B66B0FAEAEEE78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_DD59BB1E40D0E47B918F6B0FAEAE9610" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_CC5507F61AD5BC3A6C8D6B0FAEAE420F" xlink:to="loc_us-gaap_CostOfSalesMember_DD59BB1E40D0E47B918F6B0FAEAE9610" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C29E746FAF8AA73A70126B0FAEAED399" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A5DA1F2BD07CE0CD1AA86B0FAEAE4774" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C29E746FAF8AA73A70126B0FAEAED399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C29E746FAF8AA73A70126B0FAEAED399" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_C29E746FAF8AA73A70126B0FAEAED399" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_6F805F763B2507B867B56B0FAEAE6D80" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_6F805F763B2507B867B56B0FAEAE6D80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_3C07EB67E0F866F189606B0FAEAFAF42" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_3C07EB67E0F866F189606B0FAEAFAF42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_FA41FA9DEBB714C012926B0FAEAFE23B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_AE515C0B580B9494E85F6B0FAEAEADDA" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_FA41FA9DEBB714C012926B0FAEAFE23B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_D28F9D8F2300E3D5B3346B0FAEAFB220" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A5DA1F2BD07CE0CD1AA86B0FAEAE4774" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_D28F9D8F2300E3D5B3346B0FAEAFB220" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_D28F9D8F2300E3D5B3346B0FAEAFB220" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_D28F9D8F2300E3D5B3346B0FAEAFB220" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_09E52C31E8B0011742C56B0FAEAF010F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_09E52C31E8B0011742C56B0FAEAF010F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_8F67C10553F47A683BFB6B0FAEAFF51C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_6123BA132D3FD2D4A5DE6B0FAEAF83CD" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_8F67C10553F47A683BFB6B0FAEAFF51C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_24061B45E9BBAE72A5E56B0FAEAF7E68" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3D940BEB0AFCFBB437936B0FAEAF6E19" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_24061B45E9BBAE72A5E56B0FAEAF7E68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_750D52E41337750BE2476B0FAEAF55B6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3D940BEB0AFCFBB437936B0FAEAF6E19" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_750D52E41337750BE2476B0FAEAF55B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_BA4C18DD5FB74780784D6B0FAEAF038C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_750D52E41337750BE2476B0FAEAF55B6" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_BA4C18DD5FB74780784D6B0FAEAF038C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RestrictedCashFairValueDisclosure" xlink:label="loc_amkr_RestrictedCashFairValueDisclosure_A13756DAA418E2839B706B0FAEAF7A6B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_750D52E41337750BE2476B0FAEAF55B6" xlink:to="loc_amkr_RestrictedCashFairValueDisclosure_A13756DAA418E2839B706B0FAEAF7A6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure" xlink:label="loc_us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure_C24BCF0BF2A6225A6F3C6B0FAEAF979D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_750D52E41337750BE2476B0FAEAF55B6" xlink:to="loc_us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure_C24BCF0BF2A6225A6F3C6B0FAEAF979D" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceLineItems" xlink:label="loc_us-gaap_ValuationAllowanceLineItems_15FDE9B2D86213327D89723AC26C2640" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceTable" xlink:label="loc_us-gaap_ValuationAllowanceTable_59AA8B80B62120189D0B723AC26BEBAD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAllowanceLineItems_15FDE9B2D86213327D89723AC26C2640" xlink:to="loc_us-gaap_ValuationAllowanceTable_59AA8B80B62120189D0B723AC26BEBAD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:label="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_A1FCC9308E35FFA22D00723AC26B9597" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAllowanceTable_59AA8B80B62120189D0B723AC26BEBAD" xlink:to="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_A1FCC9308E35FFA22D00723AC26B9597" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_25144EB3B5C6BAFAA4BE723AC26C21C3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_A1FCC9308E35FFA22D00723AC26B9597" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_25144EB3B5C6BAFAA4BE723AC26C21C3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_25144EB3B5C6BAFAA4BE723AC26C21C3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_A1FCC9308E35FFA22D00723AC26B9597" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_25144EB3B5C6BAFAA4BE723AC26C21C3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ValuationAllowanceShareBasedCompensationMember" xlink:label="loc_amkr_ValuationAllowanceShareBasedCompensationMember_DF842B13FC1A42BBEE2D723AC26C7D69" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_25144EB3B5C6BAFAA4BE723AC26C21C3" xlink:to="loc_amkr_ValuationAllowanceShareBasedCompensationMember_DF842B13FC1A42BBEE2D723AC26C7D69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowanceLineItems_15FDE9B2D86213327D89723AC26C2640" xlink:to="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_82697883BB7BC2A422F9723AC26CA6B1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_82697883BB7BC2A422F9723AC26CA6B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_F393BBABADBD852BFBD4723AC26C6C0C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_F393BBABADBD852BFBD4723AC26C6C0C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_6AD0B04A5F25D5A16C6C723AC26CC932" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_6AD0B04A5F25D5A16C6C723AC26CC932" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_B99CABD050E065C3DB85723AC26CB0BE" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_B99CABD050E065C3DB85723AC26CB0BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_894801F65D5215F0E71A723AC26CFBBB" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_894801F65D5215F0E71A723AC26CFBBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses" xlink:label="loc_us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses_CB149B0C2985B21E911F723AC26D411D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses_CB149B0C2985B21E911F723AC26D411D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_C80D288F508F7B80E7ED723AC26DEBCB" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_C80D288F508F7B80E7ED723AC26DEBCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_98EA6EAADA85B5AE63EE723AC26D345B" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_98EA6EAADA85B5AE63EE723AC26D345B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_E2083F3BC96C3506F45F723AC26DB558" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_E2083F3BC96C3506F45F723AC26DB558" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_021329EF42AE462D4936723AC26D09B8" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_021329EF42AE462D4936723AC26D09B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_E37C1DC4298630D35189723AC26D3722" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_E37C1DC4298630D35189723AC26D3722" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_8DF7A47544FB68D0CF03723AC26DF38D" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_8DF7A47544FB68D0CF03723AC26DF38D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_B16F0824C8D372802AF9723AC26D114A" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_B16F0824C8D372802AF9723AC26D114A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_4E15EBCF7AA35CCBDA46723AC26D24E9" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_4E15EBCF7AA35CCBDA46723AC26D24E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_110413885D9FFC298FF7723AC26EFFEF" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_110413885D9FFC298FF7723AC26EFFEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_3082271357D3E65E0468723AC26E06F1" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent_3082271357D3E65E0468723AC26E06F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_6AF9CAC823DDE55401B6723AC26E672E" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_6AF9CAC823DDE55401B6723AC26E672E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesCurrent_B4DA91EF23E29C4B95FC723AC26EA6E5" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesCurrent_B4DA91EF23E29C4B95FC723AC26EA6E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_F1C5D1F12EBD98A5E2C5723AC26EC478" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_F1C5D1F12EBD98A5E2C5723AC26EC478" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_BE3A9996551FEC09B4F4723AC26EA42E" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_550A5845234223387812723AC26C19CA" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_BE3A9996551FEC09B4F4723AC26EA42E" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseAndIncomeBeforeTaxesByJurisdictionDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesIncomeTaxExaminationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExaminationLineItems" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_77CBD820951A6F3F741F74C0ED0D3989" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExaminationTable" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_B68B185445E40B16B86974C0ED0C523A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_77CBD820951A6F3F741F74C0ED0D3989" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_B68B185445E40B16B86974C0ED0C523A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_8F540B72BBE088A35D3774C0ED0CC101" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_B68B185445E40B16B86974C0ED0C523A" xlink:to="loc_us-gaap_RangeAxis_8F540B72BBE088A35D3774C0ED0CC101" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_8F540B72BBE088A35D3774C0ED0CC101" xlink:to="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_8F540B72BBE088A35D3774C0ED0CC101" xlink:to="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_39C0FBB9002F7081C10A74C0ED0CFC65" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661" xlink:to="loc_us-gaap_MinimumMember_39C0FBB9002F7081C10A74C0ED0CFC65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_14CD5FC6164A06F110CE74C0ED0CB428" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_C40ECE9911BB6EE5E3BA74C0ED0C7661" xlink:to="loc_us-gaap_MaximumMember_14CD5FC6164A06F110CE74C0ED0CB428" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_F2840128C19964D3E2A174C0ED0C74C2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_B68B185445E40B16B86974C0ED0C523A" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_F2840128C19964D3E2A174C0ED0C74C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_F2840128C19964D3E2A174C0ED0C74C2" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_F2840128C19964D3E2A174C0ED0C74C2" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_637DAA5A3EB8F89A830E74C0ED0D9466" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_637DAA5A3EB8F89A830E74C0ED0D9466" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KR" xlink:label="loc_country_KR_F1958D8AA0AC6BAFE85E74C0ED0D7BAF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_KR_F1958D8AA0AC6BAFE85E74C0ED0D7BAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_PH" xlink:label="loc_country_PH_1E4F3CCF6E14673E40BC74C0ED0DF36F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_PH_1E4F3CCF6E14673E40BC74C0ED0DF36F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_JP" xlink:label="loc_country_JP_E1FB8B4A5232273199AD74C0ED0D417A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_JP_E1FB8B4A5232273199AD74C0ED0D417A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="loc_country_CN_DFD57023B6AB52CCF23774C0ED0D1513" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_CN_DFD57023B6AB52CCF23774C0ED0D1513" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_SG" xlink:label="loc_country_SG_58883C47C87935FF3B4874C0ED0D4D9E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_SG_58883C47C87935FF3B4874C0ED0D4D9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_MY" xlink:label="loc_country_MY_E79310EC192E386FDCE274C0ED0D41BE" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_MY_E79310EC192E386FDCE274C0ED0D41BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_TW" xlink:label="loc_country_TW_003E59FE73288351E2F274C0ED0D08D0" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_62AB99618F33C56B232974C0ED0CD99B" xlink:to="loc_country_TW_003E59FE73288351E2F274C0ED0D08D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExaminationYearUnderExamination" xlink:label="loc_us-gaap_IncomeTaxExaminationYearUnderExamination_AE116EB77201444E50AE74C0ED0E68EE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_77CBD820951A6F3F741F74C0ED0D3989" xlink:to="loc_us-gaap_IncomeTaxExaminationYearUnderExamination_AE116EB77201444E50AE74C0ED0E68EE" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesNetOperatingLossCarryforwardsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_CD57A0390FCC2D60573F74C0ED1DC11A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_3CF3BC048E86928E6E9674C0ED1CB037" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_CD57A0390FCC2D60573F74C0ED1DC11A" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_3CF3BC048E86928E6E9674C0ED1CB037" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_3B912B896E63BC1FF14674C0ED1CE74B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_3CF3BC048E86928E6E9674C0ED1CB037" xlink:to="loc_us-gaap_RangeAxis_3B912B896E63BC1FF14674C0ED1CE74B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_3B912B896E63BC1FF14674C0ED1CE74B" xlink:to="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_3B912B896E63BC1FF14674C0ED1CE74B" xlink:to="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_F6692F633139AF6958E074C0ED1C7B2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA" xlink:to="loc_us-gaap_MinimumMember_F6692F633139AF6958E074C0ED1C7B2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_277E94BE24628689891A74C0ED1C04A9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_DF0E6EFE3ADAB17B20CE74C0ED1CB7CA" xlink:to="loc_us-gaap_MaximumMember_277E94BE24628689891A74C0ED1C04A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_389278BB450287D515E474C0ED1C1A3E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_3CF3BC048E86928E6E9674C0ED1CB037" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_389278BB450287D515E474C0ED1C1A3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_389278BB450287D515E474C0ED1C1A3E" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_389278BB450287D515E474C0ED1C1A3E" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_E10346429D305EE72CC074C0ED1D184F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_E10346429D305EE72CC074C0ED1D184F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_B8F50C46D263D8BF7B1674C0ED1D7BCF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_B8F50C46D263D8BF7B1674C0ED1D7BCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="loc_us-gaap_ForeignCountryMember_A3D58EC6F0D45C590FBD74C0ED1D1B0A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:to="loc_us-gaap_ForeignCountryMember_A3D58EC6F0D45C590FBD74C0ED1D1B0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember_6E72F9EF767DF899741874C0ED1DCD20" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:to="loc_us-gaap_DomesticCountryMember_6E72F9EF767DF899741874C0ED1DCD20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KR" xlink:label="loc_country_KR_159569C8198D5BD92CE974C0ED1DB00D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_A90BA1C0AE145144BDE074C0ED1C38F7" xlink:to="loc_country_KR_159569C8198D5BD92CE974C0ED1DB00D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_IncomeTaxesTextualsAbstract" xlink:label="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_CD57A0390FCC2D60573F74C0ED1DC11A" xlink:to="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaap_OperatingLossCarryforwards_191F22AB628E06D6B5D274C0ED1DBF7B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_OperatingLossCarryforwards_191F22AB628E06D6B5D274C0ED1DBF7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:label="loc_us-gaap_OperatingLossCarryforwardsExpirationDate_3E6CAD15BBB254D7E84574C0ED1D2767" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_OperatingLossCarryforwardsExpirationDate_3E6CAD15BBB254D7E84574C0ED1D2767" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="loc_us-gaap_TaxCreditCarryforwardAmount_83A13D1EA46E8632F75474C0ED1ECF97" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_TaxCreditCarryforwardAmount_83A13D1EA46E8632F75474C0ED1ECF97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_1E9F93039EEF1731140474C0ED1E75D0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_1E9F93039EEF1731140474C0ED1E75D0" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RepatriationOfEarningsEstimatedTaxImpact" xlink:label="loc_amkr_RepatriationOfEarningsEstimatedTaxImpact_89C771C0FE0EFBE1082A74C0ED1E164F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_amkr_RepatriationOfEarningsEstimatedTaxImpact_89C771C0FE0EFBE1082A74C0ED1E164F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignEarningsRepatriated" xlink:label="loc_us-gaap_ForeignEarningsRepatriated_A4B7FF0756C0D563E36274C0ED1E8BA6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_ForeignEarningsRepatriated_A4B7FF0756C0D563E36274C0ED1E8BA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_7A87D1BF1B0ACAFC719E74C0ED1E8F7D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxesTextualsAbstract_15FDFDE1D8D1AD7A490674C0ED1D16B8" xlink:to="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_7A87D1BF1B0ACAFC719E74C0ED1E8F7D" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesReconciliationOfEffectiveTaxRateDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesTaxHolidaysDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IncomeTaxesUnrecognizedTaxBenefitsRollforwardAndDiscussionDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_F7B737B3E091CAE7EA91723ACB6A43CE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_14CFEFE747385D360CA1723ACB6AE228" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_F7B737B3E091CAE7EA91723ACB6A43CE" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_14CFEFE747385D360CA1723ACB6AE228" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="amkr-20131231.xsd#amkr_UnrecognizedTaxBenefitByTypeOfChangeAxisAxis" xlink:label="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeAxisAxis_2532963AEF38CBAC8568723ACB6A7005" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_14CFEFE747385D360CA1723ACB6AE228" xlink:to="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeAxisAxis_2532963AEF38CBAC8568723ACB6A7005" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain" xlink:label="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeAxisAxis_2532963AEF38CBAC8568723ACB6A7005" xlink:to="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain" xlink:label="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeAxisAxis_2532963AEF38CBAC8568723ACB6A7005" xlink:to="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaxDeductionsMember" xlink:label="loc_amkr_TaxDeductionsMember_34E2020E174F64B47E43723ACB6A8D76" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3" xlink:to="loc_amkr_TaxDeductionsMember_34E2020E174F64B47E43723ACB6A8D76" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RevenueAttributionMember" xlink:label="loc_amkr_RevenueAttributionMember_578DEA01E1982A6E6F53723ACB6A4B70" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3" xlink:to="loc_amkr_RevenueAttributionMember_578DEA01E1982A6E6F53723ACB6A4B70" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ContestedPriorYearDeductionsInForeignJurisdictionsMember" xlink:label="loc_amkr_ContestedPriorYearDeductionsInForeignJurisdictionsMember_136A77C6D24959FDEE73723ACB6AD992" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_UnrecognizedTaxBenefitByTypeOfChangeDomain_13A171F90513971EB1BE723ACB6A1FE3" xlink:to="loc_amkr_ContestedPriorYearDeductionsInForeignJurisdictionsMember_136A77C6D24959FDEE73723ACB6AD992" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_F7B737B3E091CAE7EA91723ACB6A43CE" xlink:to="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_DB1E8A771D6DE98E9009723ACB6AFBC1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_DB1E8A771D6DE98E9009723ACB6AFBC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_8AA6D602A99F2A99917B723ACB6BC3AB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_8AA6D602A99F2A99917B723ACB6BC3AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_4AB2FECEDF95EE8B95A4723ACB6B25B5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_4AB2FECEDF95EE8B95A4723ACB6B25B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_8917A25AD638567F9043723ACB6BB0FA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_8917A25AD638567F9043723ACB6BB0FA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_BD3EB4FC7A0E1EA5D9B0723ACB6B5111" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_BD3EB4FC7A0E1EA5D9B0723ACB6B5111" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_60497F8274ECB6B4D7B8723ACB6B4B14" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3976EA349CE7DBCDCD9E723ACB6AF185" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_60497F8274ECB6B4D7B8723ACB6B4B14" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_IncomeTaxContingencyAbstract" xlink:label="loc_amkr_IncomeTaxContingencyAbstract_F3C59D245096F9C4B8AB723ACB6B07A9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_F7B737B3E091CAE7EA91723ACB6A43CE" xlink:to="loc_amkr_IncomeTaxContingencyAbstract_F3C59D245096F9C4B8AB723ACB6B07A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_138D201B213256F7C1A1723ACB6B5DEF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxContingencyAbstract_F3C59D245096F9C4B8AB723ACB6B07A9" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_138D201B213256F7C1A1723ACB6B5DEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_8A0E79F20A9860E2463B723ACB6B7195" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_IncomeTaxContingencyAbstract_F3C59D245096F9C4B8AB723ACB6B07A9" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_8A0E79F20A9860E2463B723ACB6B7195" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/IntangibleAssets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IntangibleAssetsAcquiredDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9C7A2904408F2FE93C0F79A79D33DFE7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_7ED806CE0FA57AF1DDC879A79D335A03" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9C7A2904408F2FE93C0F79A79D33DFE7" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_7ED806CE0FA57AF1DDC879A79D335A03" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C099BDD1E96DC2FAD6C879A79D33E87D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_7ED806CE0FA57AF1DDC879A79D335A03" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C099BDD1E96DC2FAD6C879A79D33E87D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C099BDD1E96DC2FAD6C879A79D33E87D" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C099BDD1E96DC2FAD6C879A79D33E87D" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PatentsAndTechnologyRightsMember" xlink:label="loc_amkr_PatentsAndTechnologyRightsMember_E6B5ACC145BA2321325679A79D33A4FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE" xlink:to="loc_amkr_PatentsAndTechnologyRightsMember_E6B5ACC145BA2321325679A79D33A4FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_07A2BA15EE86F687E2EF79A79D339522" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9EC9F34321EFAEBD00E979A79D33C3DE" xlink:to="loc_us-gaap_CustomerRelationshipsMember_07A2BA15EE86F687E2EF79A79D339522" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_954B68E03098C0898BE679A79D33DE16" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9C7A2904408F2FE93C0F79A79D33DFE7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_954B68E03098C0898BE679A79D33DE16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A710E64085EC03AF616E79A79D333691" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_954B68E03098C0898BE679A79D33DE16" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A710E64085EC03AF616E79A79D333691" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_3B68D38FD5272A9DAD2479A79D358C6E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_954B68E03098C0898BE679A79D33DE16" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_3B68D38FD5272A9DAD2479A79D358C6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_757E931E265CADB3533A79A79D35C3BC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_954B68E03098C0898BE679A79D33DE16" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_757E931E265CADB3533A79A79D35C3BC" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/IntangibleAssetsAmortizationDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/IntangibleAssetsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/Inventories" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/InventoriesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/InventoriesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/Investments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/InvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F5293CDB11C9736EEFF67203425720D9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_7EF37EF40B31D4E45F1472034250908A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F5293CDB11C9736EEFF67203425720D9" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_7EF37EF40B31D4E45F1472034250908A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_3B30903253A0D68EFF51720342563419" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_7EF37EF40B31D4E45F1472034250908A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_3B30903253A0D68EFF51720342563419" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_C8C80588BE40859A934C7203425742AA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_3B30903253A0D68EFF51720342563419" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_C8C80588BE40859A934C7203425742AA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_C8C80588BE40859A934C7203425742AA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_3B30903253A0D68EFF51720342563419" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_C8C80588BE40859A934C7203425742AA" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_JDevicesMember" xlink:label="loc_amkr_JDevicesMember_E88F73462F05505A5C17720342C052E5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_C8C80588BE40859A934C7203425742AA" xlink:to="loc_amkr_JDevicesMember_E88F73462F05505A5C17720342C052E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_652323F333A8963FE91E720342916ADA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F5293CDB11C9736EEFF67203425720D9" xlink:to="loc_us-gaap_EquityMethodInvestments_652323F333A8963FE91E720342916ADA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2CAD33288DF998EBA4117203D78CA191" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F5293CDB11C9736EEFF67203425720D9" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2CAD33288DF998EBA4117203D78CA191" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/InvestmentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquityMethodInvestmentOwnerAxis" xlink:label="loc_amkr_EquityMethodInvestmentOwnerAxis_2C31D9A26F59514FE1F176F0BDC793C4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:to="loc_amkr_EquityMethodInvestmentOwnerAxis_2C31D9A26F59514FE1F176F0BDC793C4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquityMethodInvestmentOwnerDomain" xlink:label="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_EquityMethodInvestmentOwnerAxis_2C31D9A26F59514FE1F176F0BDC793C4" xlink:to="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquityMethodInvestmentOwnerDomain" xlink:label="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_EquityMethodInvestmentOwnerAxis_2C31D9A26F59514FE1F176F0BDC793C4" xlink:to="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_FormerNMDShareholdersMember" xlink:label="loc_amkr_FormerNMDShareholdersMember_46B7B5B3DC464BAF23AF76F0BDC7923E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4" xlink:to="loc_amkr_FormerNMDShareholdersMember_46B7B5B3DC464BAF23AF76F0BDC7923E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ToshibaMember" xlink:label="loc_amkr_ToshibaMember_01DD00CC545D6D2B44B276F0BDC8AD6A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_EquityMethodInvestmentOwnerDomain_63444F4C1410580A9E0176F0BDC78FE4" xlink:to="loc_amkr_ToshibaMember_01DD00CC545D6D2B44B276F0BDC8AD6A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PurchasesofEquityMethodInvestmentAxis" xlink:label="loc_amkr_PurchasesofEquityMethodInvestmentAxis_5FBF59A97E070301BDD476F0BDC83D52" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:to="loc_amkr_PurchasesofEquityMethodInvestmentAxis_5FBF59A97E070301BDD476F0BDC83D52" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PurchasesofEquityMethodInvestmentDomain" xlink:label="loc_amkr_PurchasesofEquityMethodInvestmentDomain_D53F062252EA3D15C2A776F0BDC86C6E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_PurchasesofEquityMethodInvestmentAxis_5FBF59A97E070301BDD476F0BDC83D52" xlink:to="loc_amkr_PurchasesofEquityMethodInvestmentDomain_D53F062252EA3D15C2A776F0BDC86C6E_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PurchasesofEquityMethodInvestmentDomain" xlink:label="loc_amkr_PurchasesofEquityMethodInvestmentDomain_D53F062252EA3D15C2A776F0BDC86C6E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_PurchasesofEquityMethodInvestmentAxis_5FBF59A97E070301BDD476F0BDC83D52" xlink:to="loc_amkr_PurchasesofEquityMethodInvestmentDomain_D53F062252EA3D15C2A776F0BDC86C6E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SecondInvestmentMember" xlink:label="loc_amkr_SecondInvestmentMember_8964B202DA3812BE1B8976F0BDC82AD2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_PurchasesofEquityMethodInvestmentDomain_D53F062252EA3D15C2A776F0BDC86C6E" xlink:to="loc_amkr_SecondInvestmentMember_8964B202DA3812BE1B8976F0BDC82AD2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OptionOwnershipThresholdsAxis" xlink:label="loc_amkr_OptionOwnershipThresholdsAxis_6C848F8338E99A6C596976F0BDC8943F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:to="loc_amkr_OptionOwnershipThresholdsAxis_6C848F8338E99A6C596976F0BDC8943F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OptionOwnershipThresholdsDomain" xlink:label="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_OptionOwnershipThresholdsAxis_6C848F8338E99A6C596976F0BDC8943F" xlink:to="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OptionOwnershipThresholdsDomain" xlink:label="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_OptionOwnershipThresholdsAxis_6C848F8338E99A6C596976F0BDC8943F" xlink:to="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OwnershipThreshold2014Member" xlink:label="loc_amkr_OwnershipThreshold2014Member_BACCB93847C87AC99C8476F0BDC8917C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D" xlink:to="loc_amkr_OwnershipThreshold2014Member_BACCB93847C87AC99C8476F0BDC8917C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OwnershipThreshold2015Member" xlink:label="loc_amkr_OwnershipThreshold2015Member_1D2201298FD264ED894E76F0BDC80E0A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_OptionOwnershipThresholdsDomain_3049F1BC21F4D8E3F42076F0BDC8220D" xlink:to="loc_amkr_OwnershipThreshold2015Member_1D2201298FD264ED894E76F0BDC80E0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EEB8F574119789BB450F76F0BDC8169E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfInvestmentsTable_F2D0AF2950001F579E1D76F0BDC2D719" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EEB8F574119789BB450F76F0BDC8169E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4368DC51C5D70BA2BE6F76F0BDCD2BD4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EEB8F574119789BB450F76F0BDC8169E" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4368DC51C5D70BA2BE6F76F0BDCD2BD4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_4368DC51C5D70BA2BE6F76F0BDCD2BD4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EEB8F574119789BB450F76F0BDC8169E" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_4368DC51C5D70BA2BE6F76F0BDCD2BD4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_JDevicesMember" xlink:label="loc_amkr_JDevicesMember_D585C6F98CED4783AA8576F0BDCD2613" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_4368DC51C5D70BA2BE6F76F0BDCD2BD4" xlink:to="loc_amkr_JDevicesMember_D585C6F98CED4783AA8576F0BDCD2613" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_EE30ECEBC88218F858DF76F0BDCE3A05" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_EE30ECEBC88218F858DF76F0BDCE3A05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_68FB9382BCD49E3B0DDC76F0BDCE9356" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_68FB9382BCD49E3B0DDC76F0BDCE9356" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_MaximumOwnershipRatioOfCallOptions" xlink:label="loc_amkr_MaximumOwnershipRatioOfCallOptions_4573F29A94203DDF592376F0BDCE4579" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_amkr_MaximumOwnershipRatioOfCallOptions_4573F29A94203DDF592376F0BDCE4579" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:label="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_8C5C438EA0F95B2153FA76F54C0D060C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_8C5C438EA0F95B2153FA76F54C0D060C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquipmentAcquiredAndLeasedToJointVenture" xlink:label="loc_amkr_EquipmentAcquiredAndLeasedToJointVenture_B79C645D1D0C4566492076F0BDCE6596" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_amkr_EquipmentAcquiredAndLeasedToJointVenture_B79C645D1D0C4566492076F0BDCE6596" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ProceedsfromEquipmentPurchasedbyLessee" xlink:label="loc_amkr_ProceedsfromEquipmentPurchasedbyLessee_566AA2BCFB8BC487A18A76F0BDCEE11C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_amkr_ProceedsfromEquipmentPurchasedbyLessee_566AA2BCFB8BC487A18A76F0BDCEE11C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees" xlink:label="loc_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_C81A7765FD23BE2F79A676F0BDCE75D8" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfInvestmentsLineItems_B9F0AD83ABDEC9D3158076F0BDCE9F38" xlink:to="loc_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_C81A7765FD23BE2F79A676F0BDCE75D8" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/InvestmentsSummaryBalanceSheetInformationDetails" xlink:type="extended">
    <loc xlink:href="amkr-20131231.xsd#amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems" xlink:label="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:type="locator" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeTable" xlink:label="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeTable_5455D52B3E8C8D1C9C1676F0BD874751" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeTable_5455D52B3E8C8D1C9C1676F0BD874751" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9D2154E1B9B6F54A842D76F0BD87152C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeTable_5455D52B3E8C8D1C9C1676F0BD874751" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9D2154E1B9B6F54A842D76F0BD87152C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_50777959F24DA44DB1DA76F0BD87F50E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9D2154E1B9B6F54A842D76F0BD87152C" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_50777959F24DA44DB1DA76F0BD87F50E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_50777959F24DA44DB1DA76F0BD87F50E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9D2154E1B9B6F54A842D76F0BD87152C" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_50777959F24DA44DB1DA76F0BD87F50E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_JDevicesMember" xlink:label="loc_amkr_JDevicesMember_FF0B182FF692255BA29476F0BD87901F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_50777959F24DA44DB1DA76F0BD87F50E" xlink:to="loc_amkr_JDevicesMember_FF0B182FF692255BA29476F0BD87901F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets_BC22B59F9FE53552BDC376F0BD87CFBB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets_BC22B59F9FE53552BDC376F0BD87CFBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets_CDED16F583678440E0A576F0BD8CB52F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets_CDED16F583678440E0A576F0BD8CB52F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities_355329113B29762D647476F0BD8C2441" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities_355329113B29762D647476F0BD8C2441" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EquityMethodInvestmentSummarizedFinancialInformationTotalDebt" xlink:label="loc_amkr_EquityMethodInvestmentSummarizedFinancialInformationTotalDebt_10FE910C433A2ADD7B0976F0BD8DA66B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_amkr_EquityMethodInvestmentSummarizedFinancialInformationTotalDebt_10FE910C433A2ADD7B0976F0BD8DA66B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities_30D787ABDE2B58E795A776F0BD8D76D9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities_30D787ABDE2B58E795A776F0BD8D76D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_9F9B579611B519189E3B76F0BD8DD6F6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryBalanceSheetInformationofEquityMethodInvesteeLineItems_443FE9A676BFC0E99E0876F0BD874D1D" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_9F9B579611B519189E3B76F0BD8DD6F6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/InvestmentsSummaryIncomeStatementInformationDetails" xlink:type="extended">
    <loc xlink:href="amkr-20131231.xsd#amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems" xlink:label="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems_D158DDF8B15C2261F1C576F0BDA17EED" xlink:type="locator" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeTable" xlink:label="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeTable_78CB0AF02DB4FA0701F776F0BDA06CCB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems_D158DDF8B15C2261F1C576F0BDA17EED" xlink:to="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeTable_78CB0AF02DB4FA0701F776F0BDA06CCB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_E340DBA232A2A6A88F0E76F0BDA06F8D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeTable_78CB0AF02DB4FA0701F776F0BDA06CCB" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_E340DBA232A2A6A88F0E76F0BDA06F8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_FE567464143644121CCE76F0BDA0EEC4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_E340DBA232A2A6A88F0E76F0BDA06F8D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_FE567464143644121CCE76F0BDA0EEC4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_FE567464143644121CCE76F0BDA0EEC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_E340DBA232A2A6A88F0E76F0BDA06F8D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_FE567464143644121CCE76F0BDA0EEC4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_JDevicesMember" xlink:label="loc_amkr_JDevicesMember_FF877EA5335EF909F50876F0BDA10B9F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_FE567464143644121CCE76F0BDA0EEC4" xlink:to="loc_amkr_JDevicesMember_FF877EA5335EF909F50876F0BDA10B9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_7AEB92103D31FFA8CEC176F0BDA17732" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems_D158DDF8B15C2261F1C576F0BDA17EED" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_7AEB92103D31FFA8CEC176F0BDA17732" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss_65019C0904A992457D7376F0BDA185EC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems_D158DDF8B15C2261F1C576F0BDA17EED" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss_65019C0904A992457D7376F0BDA185EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_2B55BD474593E7AE157076F0BDA1F0A5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_SummaryIncomeStatementInformationofEquityMethodInvesteeLineItems_D158DDF8B15C2261F1C576F0BDA17EED" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_2B55BD474593E7AE157076F0BDA1F0A5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/InvestmentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/NewAccountingStandards" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/OtherIncomeAndExpenseDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/OtherIncomeAndExpenseOtherIncomeAndExpense" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/OtherIncomeAndExpenseTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansChangesAndComponentsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansAllocationOfPlanAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81F2E8C0CE18FB634864024485F7006C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_DCA6E3C700997FA1675F024485F0351B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81F2E8C0CE18FB634864024485F7006C" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_DCA6E3C700997FA1675F024485F0351B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1ED1C17CD7D707FC2813024485F09CFB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_DCA6E3C700997FA1675F024485F0351B" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1ED1C17CD7D707FC2813024485F09CFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1ED1C17CD7D707FC2813024485F09CFB" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_1ED1C17CD7D707FC2813024485F09CFB" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_55E0A8874A0F3354E6B9024485F0E6AD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_55E0A8874A0F3354E6B9024485F0E6AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_88C4ACA8F507AA3C039F024485F1946A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_88C4ACA8F507AA3C039F024485F1946A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_FB6E3ED227007F79B634024485F11567" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_A7725BA8CE2AAED15B48024485F01CDA" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_FB6E3ED227007F79B634024485F11567" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_E9F823A5F2C2EA2C20B4024485F154D9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_DCA6E3C700997FA1675F024485F0351B" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_E9F823A5F2C2EA2C20B4024485F154D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_E9F823A5F2C2EA2C20B4024485F154D9" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_E9F823A5F2C2EA2C20B4024485F154D9" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_D95DE314AC77F69E4779024485F16CB6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_D95DE314AC77F69E4779024485F16CB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_EE6DC335F014D6482538024485F14B6D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_us-gaap_EquitySecuritiesMember_EE6DC335F014D6482538024485F14B6D" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ForeignEquitySecuritiesMember" xlink:label="loc_amkr_ForeignEquitySecuritiesMember_4EAB818D2767DD65B543024485F107A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesMember_EE6DC335F014D6482538024485F14B6D" xlink:to="loc_amkr_ForeignEquitySecuritiesMember_4EAB818D2767DD65B543024485F107A3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_UsEquitySecuritiesMember" xlink:label="loc_amkr_UsEquitySecuritiesMember_7BC1EB396D586BF8B829024485F1DDDA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesMember_EE6DC335F014D6482538024485F14B6D" xlink:to="loc_amkr_UsEquitySecuritiesMember_7BC1EB396D586BF8B829024485F1DDDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="loc_us-gaap_FixedIncomeFundsMember_E810B71EA3C7206CABF8024485F1423D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_us-gaap_FixedIncomeFundsMember_E810B71EA3C7206CABF8024485F1423D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentDebtSecuritiesMember_17D2CEE82A8B7C5BF93F024485F1F279" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_us-gaap_USGovernmentDebtSecuritiesMember_17D2CEE82A8B7C5BF93F024485F1F279" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BondsMember" xlink:label="loc_us-gaap_BondsMember_1CEF98B168190B10DF6B024485F10EBF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_us-gaap_BondsMember_1CEF98B168190B10DF6B024485F10EBF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_760A9CA5B776A94F3A82024485F10EA6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BondsMember_1CEF98B168190B10DF6B024485F10EBF" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_760A9CA5B776A94F3A82024485F10EA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignGovernmentShorttermDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentShorttermDebtSecuritiesMember_BAC574AF1B25FCD25DEB024485F7FA12" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BondsMember_1CEF98B168190B10DF6B024485F10EBF" xlink:to="loc_us-gaap_ForeignGovernmentShorttermDebtSecuritiesMember_BAC574AF1B25FCD25DEB024485F7FA12" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanRetirementFundMember" xlink:label="loc_amkr_TaiwanRetirementFundMember_CB4FC7052CA2518ED940024485F7DD1A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_amkr_TaiwanRetirementFundMember_CB4FC7052CA2518ED940024485F7DD1A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherInvestmentTypeMember" xlink:label="loc_amkr_OtherInvestmentTypeMember_5899ACB1D125BE21A0EF024485F78B00" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_3586B7C0BA84FCD32AFE024485F17267" xlink:to="loc_amkr_OtherInvestmentTypeMember_5899ACB1D125BE21A0EF024485F78B00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2B9825FE13BB6B58CF79024485F739E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81F2E8C0CE18FB634864024485F7006C" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2B9825FE13BB6B58CF79024485F739E6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_B32C886874EDD6B97915754B4CF5C842" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_AD05CCC670D506BAC05E754B4CF53DB1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_B32C886874EDD6B97915754B4CF5C842" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_AD05CCC670D506BAC05E754B4CF53DB1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_0104086F44A9D37A371F754B4CF50B55" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_AD05CCC670D506BAC05E754B4CF53DB1" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_0104086F44A9D37A371F754B4CF50B55" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_B7187A2BB85845BC2E54754B4CF583CB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_0104086F44A9D37A371F754B4CF50B55" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_B7187A2BB85845BC2E54754B4CF583CB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_B7187A2BB85845BC2E54754B4CF583CB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_0104086F44A9D37A371F754B4CF50B55" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_B7187A2BB85845BC2E54754B4CF583CB" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PhilippineSubsidiariesMember" xlink:label="loc_amkr_PhilippineSubsidiariesMember_9452DC764BEB0308DC75754B4CF55060" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_B7187A2BB85845BC2E54754B4CF583CB" xlink:to="loc_amkr_PhilippineSubsidiariesMember_9452DC764BEB0308DC75754B4CF55060" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_228356CBFFA8CC6F05B5754B4CF5EF89" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_AD05CCC670D506BAC05E754B4CF53DB1" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_228356CBFFA8CC6F05B5754B4CF5EF89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_228356CBFFA8CC6F05B5754B4CF5EF89" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_228356CBFFA8CC6F05B5754B4CF5EF89" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_4AB1B088DCE329878063754B4CF5E122" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274" xlink:to="loc_us-gaap_DebtSecuritiesMember_4AB1B088DCE329878063754B4CF5E122" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_FA021A30F47110ED5BC2754B4CF53AFE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_EF4DA6114C186B41AAEA754B4CF5A274" xlink:to="loc_us-gaap_EquitySecuritiesMember_FA021A30F47110ED5BC2754B4CF53AFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations" xlink:label="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_92F9C9A352909899BAF6754B4CF5BC54" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_B32C886874EDD6B97915754B4CF5C842" xlink:to="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_92F9C9A352909899BAF6754B4CF5BC54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanAmountOfEmployerAndRelatedPartySecuritiesIncludedInPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountOfEmployerAndRelatedPartySecuritiesIncludedInPlanAssets_BCAB91E4ACC3B3034816754B4CF5FDA8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_B32C886874EDD6B97915754B4CF5C842" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountOfEmployerAndRelatedPartySecuritiesIncludedInPlanAssets_BCAB91E4ACC3B3034816754B4CF5FDA8" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansDefinedBenefitPlansExpectedFutureContributionsAndOtherDisclosuresDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansDefinedContributionPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CB2973817ACCC4931A856AB238CA7698" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CB2973817ACCC4931A856AB238CA7698" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_D73789C3E4ADFF04A7746AB238CAC2BA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CB2973817ACCC4931A856AB238CA7698" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_D73789C3E4ADFF04A7746AB238CAC2BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_D73789C3E4ADFF04A7746AB238CAC2BA" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_D73789C3E4ADFF04A7746AB238CAC2BA" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_UsDefinedContributionPlanMember" xlink:label="loc_amkr_UsDefinedContributionPlanMember_8294F6923920EF8A8C976AB238CA7B7F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202" xlink:to="loc_amkr_UsDefinedContributionPlanMember_8294F6923920EF8A8C976AB238CA7B7F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TaiwanDefinedContributionPlanMember" xlink:label="loc_amkr_TaiwanDefinedContributionPlanMember_27EF8FBCEAB9C4885A1F6AB238CA2117" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202" xlink:to="loc_amkr_TaiwanDefinedContributionPlanMember_27EF8FBCEAB9C4885A1F6AB238CA2117" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_MalaysiaDefinedContributionPlanMember" xlink:label="loc_amkr_MalaysiaDefinedContributionPlanMember_0C01973F4DC2DD7B61266AB238CB705C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_26A7C5B50A3D949FEE556AB238CA1202" xlink:to="loc_amkr_MalaysiaDefinedContributionPlanMember_0C01973F4DC2DD7B61266AB238CB705C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="loc_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_4EDD47069EE1A11EB2606AB238CB51D3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:to="loc_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_4EDD47069EE1A11EB2606AB238CB51D3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DefinedContributionPlanEmployerRequiredContributionPercentofEmployeesGrossPay" xlink:label="loc_amkr_DefinedContributionPlanEmployerRequiredContributionPercentofEmployeesGrossPay_AAEAAFF64AD64DA39AA06ACFB75646C3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:to="loc_amkr_DefinedContributionPlanEmployerRequiredContributionPercentofEmployeesGrossPay_AAEAAFF64AD64DA39AA06ACFB75646C3" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_EmployeeContributionMatchingPercentage" xlink:label="loc_amkr_EmployeeContributionMatchingPercentage_6FAB3BFA784C92555EE46AB238CB4DCA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:to="loc_amkr_EmployeeContributionMatchingPercentage_6FAB3BFA784C92555EE46AB238CB4DCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_7754F072818372AB9FD56AB238CBC462" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33A5C521817BD310BEA16AB238CB6841" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_7754F072818372AB9FD56AB238CBC462" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansImpactOnAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_631F5F89407ABEF599257659D0CA1C7B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_92F3E8E8FF65DC18575A7659D0C2D201" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_631F5F89407ABEF599257659D0CA1C7B" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_92F3E8E8FF65DC18575A7659D0C2D201" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8167ED20EA78D3164B787659D0C8E2A8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_92F3E8E8FF65DC18575A7659D0C2D201" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8167ED20EA78D3164B787659D0C8E2A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8167ED20EA78D3164B787659D0C8E2A8" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8167ED20EA78D3164B787659D0C8E2A8" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_InitialNetObligationMember" xlink:label="loc_amkr_InitialNetObligationMember_9C973C72531038E588097659D0C9AD97" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A" xlink:to="loc_amkr_InitialNetObligationMember_9C973C72531038E588097659D0C9AD97" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PriorServiceCostMember" xlink:label="loc_amkr_PriorServiceCostMember_DB26991BD001CC0B75847659D0C95A6C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A" xlink:to="loc_amkr_PriorServiceCostMember_DB26991BD001CC0B75847659D0C95A6C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ActuarialNetGainLossMember" xlink:label="loc_amkr_ActuarialNetGainLossMember_A630C6662C71F841689E7659D0C9FF91" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9BAE4F1F6FFD756F454E7659D0C9F68A" xlink:to="loc_amkr_ActuarialNetGainLossMember_A630C6662C71F841689E7659D0C9FF91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_631F5F89407ABEF599257659D0CA1C7B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward" xlink:label="loc_amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward_E7BF1DE98A63ACBF1FA87659D0CA64A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward_E7BF1DE98A63ACBF1FA87659D0CA64A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_B1D006B885A8006CB54A7659D0CAF03C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward_E7BF1DE98A63ACBF1FA87659D0CA64A2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_B1D006B885A8006CB54A7659D0CAF03C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_84C2C03653D9C77226667659D0CB0C5D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward_E7BF1DE98A63ACBF1FA87659D0CA64A2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_84C2C03653D9C77226667659D0CB0C5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_EE68B803BAA801E32A0F7659D0CB2290" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward_E7BF1DE98A63ACBF1FA87659D0CA64A2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_EE68B803BAA801E32A0F7659D0CB2290" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_9CE593BBB05E3314E3F97659D0D1D7A3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_9CE593BBB05E3314E3F97659D0D1D7A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_B5C32CD1C89AF2DF1C5D7659D0D155DA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_B5C32CD1C89AF2DF1C5D7659D0D155DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_44CDB8D95671C0FEB1727659D0D1F15A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_44CDB8D95671C0FEB1727659D0D1F15A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_A7B2471D787AA2FEDEA07659D0D18A61" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_A7B2471D787AA2FEDEA07659D0D18A61" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax" xlink:label="loc_amkr_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_CDD9BCCEE76FFDF636FA7659D0D2A1BA" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_5D4FB4BAA46D004041BC7659D0CAC97C" xlink:to="loc_amkr_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_CDD9BCCEE76FFDF636FA7659D0D2A1BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_1CC925CBC6C4B040734C7659D0D2426B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_631F5F89407ABEF599257659D0CA1C7B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_1CC925CBC6C4B040734C7659D0D2426B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansKoreanSeverancePlanDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_E2CD39FC85FC04FB891575586650B75D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_E2CD39FC85FC04FB891575586650B75D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherDeferredCashCompensationAxis" xlink:label="loc_amkr_OtherDeferredCashCompensationAxis_BB7E97EE6C8454A7F463755866507FC9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_E2CD39FC85FC04FB891575586650B75D" xlink:to="loc_amkr_OtherDeferredCashCompensationAxis_BB7E97EE6C8454A7F463755866507FC9" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherDeferredCashCompensationDomain" xlink:label="loc_amkr_OtherDeferredCashCompensationDomain_7A506E38134ACE8571E475586650ABF8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_amkr_OtherDeferredCashCompensationAxis_BB7E97EE6C8454A7F463755866507FC9" xlink:to="loc_amkr_OtherDeferredCashCompensationDomain_7A506E38134ACE8571E475586650ABF8_default" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_OtherDeferredCashCompensationDomain" xlink:label="loc_amkr_OtherDeferredCashCompensationDomain_7A506E38134ACE8571E475586650ABF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_amkr_OtherDeferredCashCompensationAxis_BB7E97EE6C8454A7F463755866507FC9" xlink:to="loc_amkr_OtherDeferredCashCompensationDomain_7A506E38134ACE8571E475586650ABF8" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_KoreanSeverancePlanMember" xlink:label="loc_amkr_KoreanSeverancePlanMember_04411098557A0A520416755866507605" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_OtherDeferredCashCompensationDomain_7A506E38134ACE8571E475586650ABF8" xlink:to="loc_amkr_KoreanSeverancePlanMember_04411098557A0A520416755866507605" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward" xlink:label="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent_B601D0C86D3261470C5A755866512915" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:to="loc_us-gaap_DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent_B601D0C86D3261470C5A755866512915" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ProvisionOfSeveranceBenefits" xlink:label="loc_amkr_ProvisionOfSeveranceBenefits_3BE0044F2D1D6A58D9C675586651E81E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:to="loc_amkr_ProvisionOfSeveranceBenefits_3BE0044F2D1D6A58D9C675586651E81E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PaymentsForEmployeeSeverance" xlink:label="loc_amkr_PaymentsForEmployeeSeverance_5D876E1BDAE374A017F6755866515C7F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:to="loc_amkr_PaymentsForEmployeeSeverance_5D876E1BDAE374A017F6755866515C7F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeveranceBenefitsTranslationAdjustments" xlink:label="loc_amkr_SeveranceBenefitsTranslationAdjustments_4C1154DD081F8D0D0D29755866511067" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_DeferredCompensationLiabilityCurrentAndNoncurrentRollForward_A07408CA761FCB9873A8755866516836" xlink:to="loc_amkr_SeveranceBenefitsTranslationAdjustments_4C1154DD081F8D0D0D29755866511067" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_PaymentsRemainingWithLocalPensionFund" xlink:label="loc_amkr_PaymentsRemainingWithLocalPensionFund_2B5986BC8C79B883BCD375586651B6B0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_amkr_PaymentsRemainingWithLocalPensionFund_2B5986BC8C79B883BCD375586651B6B0" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SeveranceObligationAfterLocalPensionFundPayments" xlink:label="loc_amkr_SeveranceObligationAfterLocalPensionFundPayments_62B5EF779AEC5348295E755866512FF1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_amkr_SeveranceObligationAfterLocalPensionFundPayments_62B5EF779AEC5348295E755866512FF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent" xlink:label="loc_us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent_304F9C8E6CAAE2300B4575586651D7CC" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent_304F9C8E6CAAE2300B4575586651D7CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent_5785A668F82F0034DF89755866529106" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9027C9A963BFCB082A42755866514E1D" xlink:to="loc_us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent_5785A668F82F0034DF89755866529106" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PensionAndSeverancePlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PropertyPlantAndEquipment" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/PropertyPlantAndEquipmentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_A0F6601CB729AF83ED9E7271EF2D3D06" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9F84AAC6F7F4280D35017271EF2CE82A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_A0F6601CB729AF83ED9E7271EF2D3D06" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9F84AAC6F7F4280D35017271EF2CE82A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D31F97D0D3C0C3758C487271EF2DBDAE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_9F84AAC6F7F4280D35017271EF2CE82A" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D31F97D0D3C0C3758C487271EF2DBDAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D31F97D0D3C0C3758C487271EF2DBDAE" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D31F97D0D3C0C3758C487271EF2DBDAE" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_67886F0FC19DA9F645177271EF2D8A76" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_LandMember_67886F0FC19DA9F645177271EF2D8A76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UseRightsMember" xlink:label="loc_us-gaap_UseRightsMember_434DBD04F0503C6F3723729E00D00D6B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_UseRightsMember_434DBD04F0503C6F3723729E00D00D6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_66223287CD1D4A14C3167271EF2D74A7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_66223287CD1D4A14C3167271EF2D74A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_F0BC4D9AABFB1DDCC6527271EF2D4A50" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_F0BC4D9AABFB1DDCC6527271EF2D4A50" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_SoftwareAndComputerEquipmentMember" xlink:label="loc_amkr_SoftwareAndComputerEquipmentMember_358BFBD6F46148EC32D27271EF2D5AD0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_amkr_SoftwareAndComputerEquipmentMember_358BFBD6F46148EC32D27271EF2D5AD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_8716AA97D1B48495B1BA7271EF2D2A02" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_8716AA97D1B48495B1BA7271EF2D2A02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_8F3139E496072CE48C127271EF2DC2D0" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BC7FE8D3DC8446466C0B7271EF2D162B" xlink:to="loc_us-gaap_ConstructionInProgressMember_8F3139E496072CE48C127271EF2DC2D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_A7635464E98A2EBEE7DE7271EF2D867B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_A0F6601CB729AF83ED9E7271EF2D3D06" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_A7635464E98A2EBEE7DE7271EF2D867B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_14503FBDD4BC9C48E1A47271EF2E25DC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_A0F6601CB729AF83ED9E7271EF2D3D06" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_14503FBDD4BC9C48E1A47271EF2E25DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_147FA61E58EF67BAA9137271EF2E91CA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_A0F6601CB729AF83ED9E7271EF2D3D06" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_147FA61E58EF67BAA9137271EF2E91CA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PropertyPlantAndEquipmentNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsLineItems" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable" xlink:label="loc_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_913C06404E4B3EC9CB8174FD0871EDD8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:to="loc_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_913C06404E4B3EC9CB8174FD0871EDD8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_5E62DC7BB09DDD685ECC74FD087199CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_913C06404E4B3EC9CB8174FD0871EDD8" xlink:to="loc_us-gaap_StatementGeographicalAxis_5E62DC7BB09DDD685ECC74FD087199CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_5E62DC7BB09DDD685ECC74FD087199CF" xlink:to="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_5E62DC7BB09DDD685ECC74FD087199CF" xlink:to="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd#stpr_AZ" xlink:label="loc_stpr_AZ_61C7FCEFB3BB2A3361A274FD08710BF3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933" xlink:to="loc_stpr_AZ_61C7FCEFB3BB2A3361A274FD08710BF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KR" xlink:label="loc_country_KR_F64CCD40F4BB0366679674FD087148E1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_6976CA32955B953F0F0774FD08712933" xlink:to="loc_country_KR_F64CCD40F4BB0366679674FD087148E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B79D7051D733D22D0D8174FD0871B60F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B79D7051D733D22D0D8174FD0871B60F" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ClosingCostsforAssetSales" xlink:label="loc_amkr_ClosingCostsforAssetSales_3BF8B179C6BD0F1CD5AB74FD0872BE85" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:to="loc_amkr_ClosingCostsforAssetSales_3BF8B179C6BD0F1CD5AB74FD0872BE85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB999CAF31C24C43912F74FD087292B1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB999CAF31C24C43912F74FD087292B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_D9CB1CE3AAA399BD785774FD087293A3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_C7D629590B908EB6F9A774FD08719FAA" xlink:to="loc_us-gaap_InterestCostsCapitalized_D9CB1CE3AAA399BD785774FD087293A3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PropertyPlantAndEquipmentScheduleOfDepreciationExpenseDetails" xlink:type="extended">
    <loc xlink:href="amkr-20131231.xsd#amkr_ScheduleofdepreciationexpenseLineItems" xlink:label="loc_amkr_ScheduleofdepreciationexpenseLineItems_44DBB2B508589D0A7C6F755866F3885D" xlink:type="locator" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ScheduleofdepreciationexpenseTable" xlink:label="loc_amkr_ScheduleofdepreciationexpenseTable_FF29DA39577D6A2C1D7F755866F24D4F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_amkr_ScheduleofdepreciationexpenseLineItems_44DBB2B508589D0A7C6F755866F3885D" xlink:to="loc_amkr_ScheduleofdepreciationexpenseTable_FF29DA39577D6A2C1D7F755866F24D4F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_F8F328AF649CBC191631755866F21667" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_amkr_ScheduleofdepreciationexpenseTable_FF29DA39577D6A2C1D7F755866F24D4F" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_F8F328AF649CBC191631755866F21667" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_F8F328AF649CBC191631755866F21667" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_F8F328AF649CBC191631755866F21667" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_E694EE47C9609211AB27755866F29B9A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A" xlink:to="loc_us-gaap_CostOfSalesMember_E694EE47C9609211AB27755866F29B9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_DD099D899BA33921188E755866F2A568" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_DD099D899BA33921188E755866F2A568" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_8A1CF9AD004850713406755866F34F88" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_14EDC4565B0759CB9B69755866F2190A" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_8A1CF9AD004850713406755866F34F88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_8B17F2771781276A48C9755866F3CFA9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_amkr_ScheduleofdepreciationexpenseLineItems_44DBB2B508589D0A7C6F755866F3885D" xlink:to="loc_us-gaap_Depreciation_8B17F2771781276A48C9755866F3CFA9" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/PropertyPlantAndEquipmentTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ScheduleIiValuationAndQualifyingAccounts" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ScheduleIiValuationAndQualifyingAccountsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_AD9CAC31DC03EED8BEF32F4886B0C2FE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_B8A8FA1A5ADF90784AC52F4886B09FAE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_AD9CAC31DC03EED8BEF32F4886B0C2FE" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_B8A8FA1A5ADF90784AC52F4886B09FAE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_BDA99CB39D2C252BDDEC2F4886B0C35F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_B8A8FA1A5ADF90784AC52F4886B09FAE" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_BDA99CB39D2C252BDDEC2F4886B0C35F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_34CD8131E7DD8C71FD5B2F4886B071E4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_BDA99CB39D2C252BDDEC2F4886B0C35F" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_34CD8131E7DD8C71FD5B2F4886B071E4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_34CD8131E7DD8C71FD5B2F4886B071E4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_BDA99CB39D2C252BDDEC2F4886B0C35F" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_34CD8131E7DD8C71FD5B2F4886B071E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_B3369FA783834405FFD32F4886B08135" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_34CD8131E7DD8C71FD5B2F4886B071E4" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_B3369FA783834405FFD32F4886B08135" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_AD9CAC31DC03EED8BEF32F4886B0C2FE" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_C0BF925126C923F456402F4886B0F22B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_C0BF925126C923F456402F4886B0F22B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_C1513D66C0DF2C552A2B2F4886B12BCE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_C1513D66C0DF2C552A2B2F4886B12BCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_A040ABB3F8C656EB4F6C2F4886B1ABEE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_A040ABB3F8C656EB4F6C2F4886B1ABEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_259F0F83F4EABE68F0DF2F4886B134C0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_A39BC06EDBC3CDC881132F4886B092BF" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_259F0F83F4EABE68F0DF2F4886B134C0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansCompensationExpenseDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_A74043F1283E71135BD371C9A75427AE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_B5A698F8BA401F793FC871C9A74C0E1C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_A74043F1283E71135BD371C9A75427AE" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_B5A698F8BA401F793FC871C9A74C0E1C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_09482DF67C978797681371C9A74D5B54" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_B5A698F8BA401F793FC871C9A74C0E1C" xlink:to="loc_us-gaap_AwardTypeAxis_09482DF67C978797681371C9A74D5B54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_09482DF67C978797681371C9A74D5B54" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_09482DF67C978797681371C9A74D5B54" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_249EF3C73D6C20A44BA171C9A752B980" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629" xlink:to="loc_us-gaap_EmployeeStockOptionMember_249EF3C73D6C20A44BA171C9A752B980" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_0321544D0504F8FBCC3671C9A7529520" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_29DE5B3A8CE89C4C756471C9A74DE629" xlink:to="loc_us-gaap_RestrictedStockMember_0321544D0504F8FBCC3671C9A7529520" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3E150A5CF798A01EC8B771C9A7537DDD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_B5A698F8BA401F793FC871C9A74C0E1C" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3E150A5CF798A01EC8B771C9A7537DDD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3E150A5CF798A01EC8B771C9A7537DDD" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3E150A5CF798A01EC8B771C9A7537DDD" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_BE92EE3B612C01F6579271C9A753D3CA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_BE92EE3B612C01F6579271C9A753D3CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_A65849B809BC9973709371C9A754228D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_34113B45C92EE64F74D771C9A753F43D" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_A65849B809BC9973709371C9A754228D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_C57C53E4082D7F2D19A471C9A755DF2C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_A74043F1283E71135BD371C9A75427AE" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_C57C53E4082D7F2D19A471C9A755DF2C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E8245D9DE4B76AE8D6486CBC295A8218" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E8245D9DE4B76AE8D6486CBC295A8218" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_A6B1E22BDB789071223C6CBC295ABAB1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E8245D9DE4B76AE8D6486CBC295A8218" xlink:to="loc_us-gaap_AwardTypeAxis_A6B1E22BDB789071223C6CBC295ABAB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_A6B1E22BDB789071223C6CBC295ABAB1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_A6B1E22BDB789071223C6CBC295ABAB1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_0C64E94C3B36DC13B59F6CBC295A28AD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191" xlink:to="loc_us-gaap_EmployeeStockOptionMember_0C64E94C3B36DC13B59F6CBC295A28AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_89C74301ACE6E548C7AB6CBC295A127B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39CBD92C2D8A0CBA80BD6CBC295A9191" xlink:to="loc_us-gaap_RestrictedStockMember_89C74301ACE6E548C7AB6CBC295A127B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_45429435D38872C46E6C6CBC295AB839" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E8245D9DE4B76AE8D6486CBC295A8218" xlink:to="loc_us-gaap_PlanNameAxis_45429435D38872C46E6C6CBC295AB839" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_45429435D38872C46E6C6CBC295AB839" xlink:to="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_45429435D38872C46E6C6CBC295AB839" xlink:to="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TwoThousandSevenEquityIncentivePlanMember" xlink:label="loc_amkr_TwoThousandSevenEquityIncentivePlanMember_92AADC5B722F93E8F3966CBC295B0867" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6" xlink:to="loc_amkr_TwoThousandSevenEquityIncentivePlanMember_92AADC5B722F93E8F3966CBC295B0867" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_TwoThousandThreeInducementGrantStockPlanMember" xlink:label="loc_amkr_TwoThousandThreeInducementGrantStockPlanMember_7F22B96FE06D62CF56696CBC295B38E2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6" xlink:to="loc_amkr_TwoThousandThreeInducementGrantStockPlanMember_7F22B96FE06D62CF56696CBC295B38E2" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_NineteenNinetyEightStockPlanMember" xlink:label="loc_amkr_NineteenNinetyEightStockPlanMember_225638B39C2697F523B96CBC295BDDBC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_24D3C80BFC6E32F010956CBC295B17C6" xlink:to="loc_amkr_NineteenNinetyEightStockPlanMember_225638B39C2697F523B96CBC295BDDBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_6EB62930331C1555F4516CBC295BD8CB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E8245D9DE4B76AE8D6486CBC295A8218" xlink:to="loc_us-gaap_RangeAxis_6EB62930331C1555F4516CBC295BD8CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_6EB62930331C1555F4516CBC295BD8CB" xlink:to="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_6EB62930331C1555F4516CBC295BD8CB" xlink:to="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_E81C99999C8F7CD9ED5E6CBC295BED11" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5" xlink:to="loc_us-gaap_MinimumMember_E81C99999C8F7CD9ED5E6CBC295BED11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_1D74E7E20DF754C9A6156CBC295B12D4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_75E41221F0DDF5C5FDC56CBC295BFBE5" xlink:to="loc_us-gaap_MaximumMember_1D74E7E20DF754C9A6156CBC295B12D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_CECEF95F1473A996E91E6CBC295B8E0D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_CECEF95F1473A996E91E6CBC295B8E0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_47B2272370F999A21DDB6CBC295B78CB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_47B2272370F999A21DDB6CBC295B78CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_6054AC7DDDF56B507A166CBC295B0FD6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_6054AC7DDDF56B507A166CBC295B0FD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_37221EEF777AE5BFBDC76CBC295B4673" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_37221EEF777AE5BFBDC76CBC295B4673" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm" xlink:label="loc_amkr_ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm_48869626BE182AAAD82D6CBC295B11EE" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_amkr_ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm_48869626BE182AAAD82D6CBC295B11EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_2725C4D26A2D7EEAC3936CBC295B64D5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_2725C4D26A2D7EEAC3936CBC295B64D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_051208E517B7BCDF6BC96CBC295B4A5F" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_051208E517B7BCDF6BC96CBC295B4A5F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F425E9073BE00DFFB8846CBC295C4A80" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F425E9073BE00DFFB8846CBC295C4A80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_CCF9ADA8FB2EA7B42BD16CBC295C3CE5" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_CCF9ADA8FB2EA7B42BD16CBC295C3CE5" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_RestrictedSharesVestingPercentage" xlink:label="loc_amkr_RestrictedSharesVestingPercentage_5AEBDF24D39BF57545F06CBC295CE554" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_amkr_RestrictedSharesVestingPercentage_5AEBDF24D39BF57545F06CBC295CE554" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ShareBasedCompensationMinimumRetirementThreshold" xlink:label="loc_amkr_ShareBasedCompensationMinimumRetirementThreshold_C8E3C8AD35AB023DEEC66CBC295C36C4" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_amkr_ShareBasedCompensationMinimumRetirementThreshold_C8E3C8AD35AB023DEEC66CBC295C36C4" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ShareBasedCompensationAwardsPercentageTaxableToEmployeeUponRetirementEligibility" xlink:label="loc_amkr_ShareBasedCompensationAwardsPercentageTaxableToEmployeeUponRetirementEligibility_2796A27833FF4FC3A6256CBC295C5BD5" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_amkr_ShareBasedCompensationAwardsPercentageTaxableToEmployeeUponRetirementEligibility_2796A27833FF4FC3A6256CBC295C5BD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E99C16530FD65862ACE16CBC295CCDE0" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_E99C16530FD65862ACE16CBC295CCDE0" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_NumberOfSharesVestedForRetirementEligibleRecipients" xlink:label="loc_amkr_NumberOfSharesVestedForRetirementEligibleRecipients_3F006E1F112FDB77F2F46CBC295C4208" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_amkr_NumberOfSharesVestedForRetirementEligibleRecipients_3F006E1F112FDB77F2F46CBC295C4208" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_51DF6F899FBA844693456CBC295C73F0" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0B8552913E54DF51930E6CBC295B8918" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_51DF6F899FBA844693456CBC295C73F0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansRestrictedSharesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_37D3DCDEB4504AF3F3E471C9A6F563A5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_503E963B7021F1AC6B0E71C9A6F414C4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_37D3DCDEB4504AF3F3E471C9A6F563A5" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_503E963B7021F1AC6B0E71C9A6F414C4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_8F49F364BD7B761B255371C9A6F5F6CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_503E963B7021F1AC6B0E71C9A6F414C4" xlink:to="loc_us-gaap_AwardTypeAxis_8F49F364BD7B761B255371C9A6F5F6CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_671702AF60A35373546971C9A6F58BC9_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_8F49F364BD7B761B255371C9A6F5F6CE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_671702AF60A35373546971C9A6F58BC9_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_671702AF60A35373546971C9A6F58BC9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_8F49F364BD7B761B255371C9A6F5F6CE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_671702AF60A35373546971C9A6F58BC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_21DF9BB2D31B7F071A6971C9A6F54AC2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_671702AF60A35373546971C9A6F58BC9" xlink:to="loc_us-gaap_RestrictedStockMember_21DF9BB2D31B7F071A6971C9A6F54AC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_158C597977544C1FE78671C9A6F67FB0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_37D3DCDEB4504AF3F3E471C9A6F563A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_158C597977544C1FE78671C9A6F67FB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_37D3DCDEB4504AF3F3E471C9A6F563A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_67926E57B4D417EB669671C9A6F680C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_67926E57B4D417EB669671C9A6F680C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_F4D103C172C9E386BFE071C9A6F68F38" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_F4D103C172C9E386BFE071C9A6F68F38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_AB6D4FA0E490FCF9BA7D71C9A6F70C77" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_AB6D4FA0E490FCF9BA7D71C9A6F70C77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_EBB5DCEBFE7AF7F10FC771C9A6F78D41" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C80786C5EB20B0EC40DE71C9A6F69B07" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_EBB5DCEBFE7AF7F10FC771C9A6F78D41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_37D3DCDEB4504AF3F3E471C9A6F563A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_63E26437460A5C37C0ED71C9A6F7C59F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_63E26437460A5C37C0ED71C9A6F7C59F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2611969C4D70D3E3BFF871C9A6F89AD6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2611969C4D70D3E3BFF871C9A6F89AD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_C5E388962CB81DD572EC71C9A6F91C5A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_C5E388962CB81DD572EC71C9A6F91C5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5B3C8810C05FB866A2F271C9A6F935CB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_988CB970DAF9DCE2D9C671C9A6F77B4A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5B3C8810C05FB866A2F271C9A6F935CB" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansStockOptionsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/ShareBasedCompensationPlansWeightedAverageFairValueDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/TreasuryStock" xlink:type="extended" />
  <definitionLink xlink:role="http://www.amkor.com/role/TreasuryStockDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_5D491BC4D447BB0FB052707F22817948" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_ClassOfTreasuryStockTable_5D491BC4D447BB0FB052707F22817948" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_2B3FB3A876A6370F2D7271B1FF95A488" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_5D491BC4D447BB0FB052707F22817948" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_2B3FB3A876A6370F2D7271B1FF95A488" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_A45A0A8A81A93713374471B1FFA64B2B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_2B3FB3A876A6370F2D7271B1FF95A488" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_A45A0A8A81A93713374471B1FFA64B2B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_A45A0A8A81A93713374471B1FFA64B2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_2B3FB3A876A6370F2D7271B1FF95A488" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_A45A0A8A81A93713374471B1FFA64B2B" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_StockRepurchaseProgramMember" xlink:label="loc_amkr_StockRepurchaseProgramMember_B92DCDB29F7D9B18FDC871B20014FD2F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_A45A0A8A81A93713374471B1FFA64B2B" xlink:to="loc_amkr_StockRepurchaseProgramMember_B92DCDB29F7D9B18FDC871B20014FD2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_082C45F23A9525BC2B2E707F22824554" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_5D491BC4D447BB0FB052707F22817948" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_082C45F23A9525BC2B2E707F22824554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D6007F59F5A4A80E09FB707F22828BD2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_082C45F23A9525BC2B2E707F22824554" xlink:to="loc_us-gaap_EquityComponentDomain_D6007F59F5A4A80E09FB707F22828BD2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D6007F59F5A4A80E09FB707F22828BD2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_082C45F23A9525BC2B2E707F22824554" xlink:to="loc_us-gaap_EquityComponentDomain_D6007F59F5A4A80E09FB707F22828BD2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_FECB38183FDC090E308D707F22820E57" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D6007F59F5A4A80E09FB707F22828BD2" xlink:to="loc_us-gaap_TreasuryStockMember_FECB38183FDC090E308D707F22820E57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount_312E8CAF662B937C2555707F2283003D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount_312E8CAF662B937C2555707F2283003D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_6068F9DC638FBF853F37707F22830247" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_6068F9DC638FBF853F37707F22830247" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A67B8906CC79980AC36B707F22833575" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A67B8906CC79980AC36B707F22833575" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_ShareRepurchaseProgramCommissionIncurred" xlink:label="loc_amkr_ShareRepurchaseProgramCommissionIncurred_F686712812DFD9E1CFD7707F2283DEC4" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_amkr_ShareRepurchaseProgramCommissionIncurred_F686712812DFD9E1CFD7707F2283DEC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_A7D0AF5E78E37CEFE580707F2288E1B0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_A7D0AF5E78E37CEFE580707F2288E1B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_2BB78C6BBD2D248A7293707F2288743E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount_2BB78C6BBD2D248A7293707F2288743E" xlink:type="arc" />
    <loc xlink:href="amkr-20131231.xsd#amkr_AccruedLiabilityForRepurchasedButUnpaidTreasuryStock" xlink:label="loc_amkr_AccruedLiabilityForRepurchasedButUnpaidTreasuryStock_8350B118F807963BF767707F22881017" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_amkr_AccruedLiabilityForRepurchasedButUnpaidTreasuryStock_8350B118F807963BF767707F22881017" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_23B594FD7F584007A831707F22891B40" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_23B594FD7F584007A831707F22891B40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_69871D8A627D050497ED707F228903F6" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_8222235F33127C2996F2707F22834A5F" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_69871D8A627D050497ED707F228903F6" xlink:type="arc" />
  </definitionLink>
</linkbase>





