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  <xs:element id="key_PaymentsForRepurchaseOfCommonStockOpenMarket" abstract="false" name="PaymentsForRepurchaseOfCommonStockOpenMarket" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_ReductionOfSecuredBorrowingAndRelatedCollateral" abstract="false" name="ReductionOfSecuredBorrowingAndRelatedCollateral" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_LoansReceivablesAbstract" abstract="true" name="LoansReceivablesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_LoansAndLoansHeldForSaleTextBlock" abstract="false" name="LoansAndLoansHeldForSaleTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_MortgageServicingAssetsTextBlock" abstract="false" name="MortgageServicingAssetsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_LoansByCategoryTableTextBlock" abstract="false" name="LoansByCategoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_FinancingReceivablesOffBalanceSheetLiabilitiesTableTextBlock" abstract="false" name="FinancingReceivablesOffBalanceSheetLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" abstract="false" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceTableTextBlock" abstract="false" name="ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_PreTaxNetGainsLossesOnDerivativesNotDesignatedAsHedgingInstrumentsTableTextBlock" abstract="false" name="PreTaxNetGainsLossesOnDerivativesNotDesignatedAsHedgingInstrumentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_CreditRiskContingentFeatureTableTextBlock" abstract="false" name="CreditRiskContingentFeatureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="key_ScheduleOfEstimationOfFairValueOfServicingRightsUsingKeyEconomicAssumptionsTableTextBlock" abstract="false" name="ScheduleOfEstimationOfFairValueOfServicingRightsUsingKeyEconomicAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
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  <xs:element id="key_EarningsPerCommonShareAbstract" abstract="true" name="EarningsPerCommonShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_EducationLendingMember" abstract="true" name="EducationLendingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialAndIndustrialMember" abstract="true" name="CommercialAndIndustrialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialRealEstateCommercialMortgageMember" abstract="true" name="CommercialRealEstateCommercialMortgageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialLeaseFinancingMember" abstract="true" name="CommercialLeaseFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_RealEstateResidentialMortgageMember" abstract="true" name="RealEstateResidentialMortgageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ResidentialLoansMember" abstract="true" name="ResidentialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_OtherConsumerLoansMember" abstract="true" name="OtherConsumerLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ConsumerCreditCardMember" abstract="true" name="ConsumerCreditCardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FinancingReceivableAllowanceForCreditLossIncludingDiscontinuedOperations" abstract="false" name="FinancingReceivableAllowanceForCreditLossIncludingDiscontinuedOperations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FinancingReceivableCreditLossExpenseReversalIncludingDiscontinuedOperations" abstract="false" name="FinancingReceivableCreditLossExpenseReversalIncludingDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FinancingReceivableAllowanceforCreditLossWriteoffIncludingDiscontinuedOperations" abstract="false" name="FinancingReceivableAllowanceforCreditLossWriteoffIncludingDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FinancingReceivableAllowanceforCreditLossRecoveryIncludingDiscontinuedOperations" abstract="false" name="FinancingReceivableAllowanceforCreditLossRecoveryIncludingDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_RealEstateResidentialMortgageAndHomeEquityLoansMember" abstract="true" name="RealEstateResidentialMortgageAndHomeEquityLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_TrialModificationPlansMember" abstract="true" name="TrialModificationPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FinancingReceivableAllowanceForCreditLossPercentage" abstract="false" name="FinancingReceivableAllowanceForCreditLossPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_PercentageOfCarryingAmountOfOurCommercialNonperformingLoansOutstanding" abstract="false" name="PercentageOfCarryingAmountOfOurCommercialNonperformingLoansOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_PercentageOfNonperformingLoansOutstandingFaceValue" abstract="false" name="PercentageOfNonperformingLoansOutstandingFaceValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_PercentageOfLoansHeldForSaleAndOtherNonperformingAssets" abstract="false" name="PercentageOfLoansHeldForSaleAndOtherNonperformingAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_NetReductionToInterestIncome" abstract="false" name="NetReductionToInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FinancingReceivableModificationsNumberOfLoans" abstract="false" name="FinancingReceivableModificationsNumberOfLoans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="key_CriticizedAccruingMember" abstract="true" name="CriticizedAccruingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="key_FICOScoreGreaterThan750Member" abstract="true" name="FICOScoreGreaterThan750Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FICOScore660to749Member" abstract="true" name="FICOScore660to749Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FICOScoreLessthan660Member" abstract="true" name="FICOScoreLessthan660Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FICOScoreNoScoreMember" abstract="true" name="FICOScoreNoScoreMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialRealEstateLoansMember" abstract="true" name="CommercialRealEstateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_OtherLoanModificationMember" abstract="true" name="OtherLoanModificationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CombinationLoanModificationMember" abstract="true" name="CombinationLoanModificationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FinancialAsset30To89DaysPastDueMember" abstract="true" name="FinancialAsset30To89DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_PrincipalIndirectInvestmentsMember" abstract="true" name="PrincipalIndirectInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="key_EquityInvestmentsDirectMember" abstract="true" name="EquityInvestmentsDirectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_EquityInvestmentsDirectNAVMember" abstract="true" name="EquityInvestmentsDirectNAVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_EquityInvestmentsIndirectNAVMember" abstract="true" name="EquityInvestmentsIndirectNAVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_EquityInvestmentsMember" abstract="true" name="EquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialLoansFairValueDisclosure" abstract="false" name="CommercialLoansFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_TradingAccountsAsset" abstract="false" name="TradingAccountsAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_BankNotesAndOtherShorttermBorrowingsFairValue" abstract="false" name="BankNotesAndOtherShorttermBorrowingsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareFairValue" abstract="false" name="FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringAndNonRecurringBasisTable" abstract="true" name="FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringAndNonRecurringBasisTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="key_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" abstract="true" name="FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_ImpairedLoansFairValueDisclosure" abstract="false" name="ImpairedLoansFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_ValuationFairValueOfUnderlyingCollateralMember" abstract="true" name="ValuationFairValueOfUnderlyingCollateralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ValuationAppraisedValueMember" abstract="true" name="ValuationAppraisedValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_MeasurementInputLossGivenDefaultMember" abstract="true" name="MeasurementInputLossGivenDefaultMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_MeasurementInputCreditAndLiquidityDiscountMember" abstract="true" name="MeasurementInputCreditAndLiquidityDiscountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_LoansHeldForInvestmentFairValueDisclosure" abstract="false" name="LoansHeldForInvestmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_LoansHeldForInvestmentMeasurementInput" abstract="false" name="LoansHeldForInvestmentMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="key_InsignificantAssetsLiabilitiesNetFairValueDisclosure" abstract="false" name="InsignificantAssetsLiabilitiesNetFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_ImpairedLoanMeasurementInput" abstract="false" name="ImpairedLoanMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="key_MortgageServicingAssetExcludedFromOtherRealEstate" abstract="false" name="MortgageServicingAssetExcludedFromOtherRealEstate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DepositsWithNoStatedMaturity" abstract="false" name="DepositsWithNoStatedMaturity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DebtSecuritiesHeldToMaturityPurchaseOfSeniorNotes" abstract="false" name="DebtSecuritiesHeldToMaturityPurchaseOfSeniorNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" abstract="false" name="AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses" abstract="false" name="AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" abstract="false" name="AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLosses" abstract="false" name="AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue" abstract="false" name="AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses" abstract="false" name="AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DebtSecuritiesAvailableForSaleAndHeldToMaturityPledged" abstract="false" name="DebtSecuritiesAvailableForSaleAndHeldToMaturityPledged" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DerivativeFinancialInstrumentsAssetsLiabilitiesNetMember" abstract="true" name="DerivativeFinancialInstrumentsAssetsLiabilitiesNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CounterpartyAndCashCollateralNettingMember" abstract="true" name="CounterpartyAndCashCollateralNettingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessCollateralPosted" abstract="false" name="DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessCollateralPosted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessSecuritiesCollateralPosted" abstract="false" name="DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessSecuritiesCollateralPosted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessCollateralHeld" abstract="false" name="DerivativeInstrumentSubjectToMasterNettingArrangementCollateralOffsetExcessCollateralHeld" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="key_DerivativeInstrumentDebtSecuritiesAvailableForSaleMember" abstract="true" name="DerivativeInstrumentDebtSecuritiesAvailableForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_TerminatedCashFlowHedgeGainLossReclassifiedToEarningsNetEstimate" abstract="false" name="TerminatedCashFlowHedgeGainLossReclassifiedToEarningsNetEstimate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_MaximumLengthOfTimeOverWhichForecastedTransactionsAreHedged" abstract="false" name="MaximumLengthOfTimeOverWhichForecastedTransactionsAreHedged" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="key_CashCollateralNettedAgainstDerivativeAssets" abstract="false" name="CashCollateralNettedAgainstDerivativeAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_CashCollateralNettedAgainstDerivativeLiabilities" abstract="false" name="CashCollateralNettedAgainstDerivativeLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="key_InterestIncomeSecuritiesMember" abstract="true" name="InterestIncomeSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_InvestmentBankingAndDebtPlacementFeesMember" abstract="true" name="InvestmentBankingAndDebtPlacementFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CorporateServicesMember" abstract="true" name="CorporateServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ConsumerMortgageIncomeMember" abstract="true" name="ConsumerMortgageIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_DerivativeAssetsBeforeCashCollateral" abstract="false" name="DerivativeAssetsBeforeCashCollateral" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_CreditDerivativePaymentPerformanceRiskPercentage" abstract="false" name="CreditDerivativePaymentPerformanceRiskPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueEscrowEarnRate" abstract="false" name="ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueEscrowEarnRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="key_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentAdverseChangeInDefaultRate" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentAdverseChangeInDefaultRate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentAdverseChangeInDefaultRate" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentAdverseChangeInDefaultRate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_InterestRateUsedToAccountForMortgageLoanAtFairValueUponAssumption" abstract="false" name="InterestRateUsedToAccountForMortgageLoanAtFairValueUponAssumption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentAdverseChangeInLoanAssumptionsRate" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentAdverseChangeInLoanAssumptionsRate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentAdverseChangeInLoanAssumptionRate" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentAdverseChangeInLoanAssumptionRate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_OriginatedMortgageServicingRightsMember" abstract="true" name="OriginatedMortgageServicingRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_PretaxGainsRelatedToTheSaleOfMortgageLoans" abstract="false" name="PretaxGainsRelatedToTheSaleOfMortgageLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementServicingFeeRate" abstract="false" name="AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementServicingFeeRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementEscrowEarnRate" abstract="false" name="AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementEscrowEarnRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementDefaultRate" abstract="false" name="AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementDefaultRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_FeesAndCommissionsMortgageBankingAndServicingBeforeAmortization" abstract="false" name="FeesAndCommissionsMortgageBankingAndServicingBeforeAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueServicingCost" abstract="false" name="ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueServicingCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_SalesTypeAndDirectFinancingLeaseLeaseIncomeAbstract" abstract="true" name="SalesTypeAndDirectFinancingLeaseLeaseIncomeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_SalesTypeAndDirectFinancingLeaseInterestIncomeDeferredFeesAndCosts" abstract="false" name="SalesTypeAndDirectFinancingLeaseInterestIncomeDeferredFeesAndCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_OperatingLeaseOtherOperatingLeasingGainsLosses" abstract="false" name="OperatingLeaseOtherOperatingLeasingGainsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_OtherUnconsolidatedVariableInterestEntitiesMember" abstract="true" name="OtherUnconsolidatedVariableInterestEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_LIHTCMember" abstract="true" name="LIHTCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_NMTCMember" abstract="true" name="NMTCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_AccruedIncomeAndOtherAssetsMember" abstract="true" name="AccruedIncomeAndOtherAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_KeyCorpMember" abstract="true" name="KeyCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_FirstNiagaraBankN.A.Member" abstract="true" name="FirstNiagaraBankN.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_EffectiveIncomeTaxRateReconciliationFederalAndState" abstract="false" name="EffectiveIncomeTaxRateReconciliationFederalAndState" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_GovernmentGuaranteedLoansMember" abstract="true" name="GovernmentGuaranteedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_GovernmentGuaranteedAndPrivateEducationLendingBusinessMember" abstract="true" name="GovernmentGuaranteedAndPrivateEducationLendingBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_SeniorNotesDue20272037Member" abstract="true" name="SeniorNotesDue20272037Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_JuniorSubordinatedDebenturesDue20282037Member" abstract="true" name="JuniorSubordinatedDebenturesDue20282037Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_SeniorNotesDue20272039Member" abstract="true" name="SeniorNotesDue20272039Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_SubordinatedNotesDue20262032Member" abstract="true" name="SubordinatedNotesDue20262032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_SecuredBorrowingMember" abstract="true" name="SecuredBorrowingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_UnderwritingAndServicingProgramMember" abstract="true" name="UnderwritingAndServicingProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ResidentialMortgageReserveMember" abstract="true" name="ResidentialMortgageReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_WrittenPutOptionsGuaranteesMember" abstract="true" name="WrittenPutOptionsGuaranteesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommitmentsContingenciesAndGuaranteesTable" abstract="true" name="CommitmentsContingenciesAndGuaranteesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="key_CommitmentsContingenciesAndGuaranteesLineItems" abstract="true" name="CommitmentsContingenciesAndGuaranteesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_RemainingWeightedAverageLifeOfStandbyLettersOfCredit" abstract="false" name="RemainingWeightedAverageLifeOfStandbyLettersOfCredit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="key_RemainingActualLifeLettersOfCredit" abstract="false" name="RemainingActualLifeLettersOfCredit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="key_WeightedAverageRemainingTermForOutstandingCommercialMortgageLoans" abstract="false" name="WeightedAverageRemainingTermForOutstandingCommercialMortgageLoans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="key_GuarantorObligationsMaximumExposureUndiscountedasPercentageofTotalLoansOutstanding" abstract="false" name="GuarantorObligationsMaximumExposureUndiscountedasPercentageofTotalLoansOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="key_WeightedAverageLifeOfWrittenPutOptions" abstract="false" name="WeightedAverageLifeOfWrittenPutOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="key_AccumulatedDefinedBenefitPlansAdjustmentNetActuarialGainLossAttributableToParentMember" abstract="true" name="AccumulatedDefinedBenefitPlansAdjustmentNetActuarialGainLossAttributableToParentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ScotiabankInvestmentAgreementMember" abstract="true" name="ScotiabankInvestmentAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ConsumerBankMember" abstract="true" name="ConsumerBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CommercialBankMember" abstract="true" name="CommercialBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_NumberOfReportableSegmentsNotDisclosedFlag" abstract="false" name="NumberOfReportableSegmentsNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_CorporateAndReconcilingItemsMember" abstract="true" name="CorporateAndReconcilingItemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_InterestIncomeExpenseNetTaxableEquivalent" abstract="false" name="InterestIncomeExpenseNetTaxableEquivalent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_FinancingReceivableAllowanceForCreditLossesLendingRelatedCommitments" abstract="false" name="FinancingReceivableAllowanceForCreditLossesLendingRelatedCommitments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_NoninterestandOtherExpense" abstract="false" name="NoninterestandOtherExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_IncomeLossFromContinuingOperationsBeforeIncomeTaxesNoncontrollingInterestAndTaxEquivalents" abstract="false" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesNoncontrollingInterestAndTaxEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_IncomeTaxExpenseBenefitandTaxableEquivalentAdjustments" abstract="false" name="IncomeTaxExpenseBenefitandTaxableEquivalentAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AverageBalancesAbstract" abstract="true" name="AverageBalancesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="key_AverageLoansAndLeases" abstract="false" name="AverageLoansAndLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AverageAssets" abstract="false" name="AverageAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_AverageDeposits" abstract="false" name="AverageDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="key_CommunityBankingMember" abstract="true" name="CommunityBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CorporateBankingMember" abstract="true" name="CorporateBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_TrustAndInvestmentServicesMember" abstract="true" name="TrustAndInvestmentServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_InvestmentBankingAndDebtPlacementMember" abstract="true" name="InvestmentBankingAndDebtPlacementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_ServiceChargesOnDepositAccountsMember" abstract="true" name="ServiceChargesOnDepositAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_CardsAndPaymentsMember" abstract="true" name="CardsAndPaymentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="key_OtherNoninterestIncomeMember" abstract="true" name="OtherNoninterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
