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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-10-30T19:44:01.8642264+00:00 -->
<!-- Version            : 5.0.1.513 -->
<!-- Package ID         : d7851700aa1744d7a94bc000bb1b5c05 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="boh_FinancingReceivableModificationsImpactOnAllowance" name="FinancingReceivableModificationsImpactOnAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_FinancingReceivableModificationsMadeDefaultPeriod" name="FinancingReceivableModificationsMadeDefaultPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_NumberofLoanandLeaseConcessions" name="NumberofLoanandLeaseConcessions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="boh_LoanAndLeaseModificationsAmount" name="LoanAndLeaseModificationsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_ResidentialMortgageLoansServicedForThirdParties" name="ResidentialMortgageLoansServicedForThirdParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_FairValueOfMortgageServicingRightsAccountedForUnderAmortizationMethodAbstract" name="FairValueOfMortgageServicingRightsAccountedForUnderAmortizationMethodAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesNoteRate" name="AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesNoteRate" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactInPrepaymentSpeedAbstract" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactInPrepaymentSpeedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom25BasisPointsAdverseChangeInPrepaymentSpeed" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom25BasisPointsAdverseChangeInPrepaymentSpeed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom50BasisPointsAdverseChangeInPrepaymentSpeed" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom50BasisPointsAdverseChangeInPrepaymentSpeed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactInDiscountRateAbstract" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactInDiscountRateAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom25BasisPointsAdverseChangeInDiscountRate" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom25BasisPointsAdverseChangeInDiscountRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom50BasisPointsAdverseChangeInDiscountRate" name="SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactFrom50BasisPointsAdverseChangeInDiscountRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_AffordableHousingTaxCreditInvestmentsUnfundedCommitmentAbstract" name="AffordableHousingTaxCreditInvestmentsUnfundedCommitmentAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsRemainderofFiscalYear" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsRemainderofFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearTwo" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearThree" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFour" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFive" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsAfterYearFive" name="QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_AffordableHousingTaxCreditsProportionalAmortizationMethod" name="AffordableHousingTaxCreditsProportionalAmortizationMethod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization" name="ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_EffectiveYieldMethodAbstract" name="EffectiveYieldMethodAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_ProportionalAmortizationMethodAbstract" name="ProportionalAmortizationMethodAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_OffsettingAssetsAndLiabilitiesLineItems" name="OffsettingAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_OffsettingAssetsAndLiabilitiesTable" name="OffsettingAssetsAndLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_MaturityUpTo90DaysMember" name="MaturityUpTo90DaysMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_Maturity1To3YearsMember" name="Maturity1To3YearsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_MaturityAfter3YearsMember" name="MaturityAfter3YearsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_OffsettingAssetsAbstract" name="OffsettingAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_InstitutionalCounterpartiesMember" name="InstitutionalCounterpartiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_PrivateInstitutionsMember" name="PrivateInstitutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_GovernmentEntitiesMember" name="GovernmentEntitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_OffsettingLiabilitiesAbstract" name="OffsettingLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_AmortizationofUnrealizedGainsLossesofInvestmentSecuritiesTransferredfromAFStoHTMMember" name="AmortizationofUnrealizedGainsLossesofInvestmentSecuritiesTransferredfromAFStoHTMMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_SaleofInvestmentSecuritiesAvailableforSaleMember" name="SaleofInvestmentSecuritiesAvailableforSaleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_FederalAndStateEffectiveTaxRateUsedForSegmentReporting" name="FederalAndStateEffectiveTaxRateUsedForSegmentReporting" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_RetailBankingMember" name="RetailBankingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_NumberOfBranchLocationsThroughWhichProductsAndServicesDeliveredToCustomers" name="NumberOfBranchLocationsThroughWhichProductsAndServicesDeliveredToCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_NumberOfTMSThroughWhichProductsAndServicesDeliveredToCustomers" name="NumberOfTMSThroughWhichProductsAndServicesDeliveredToCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_CommercialBankingMember" name="CommercialBankingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_TreasuryAndOtherMember" name="TreasuryAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_ReceiveFixedOrPayVariableSwapMember" name="ReceiveFixedOrPayVariableSwapMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_PayFixedOrReceiveVariableSwapMember" name="PayFixedOrReceiveVariableSwapMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_VisaConversionRateSwapAgreementMember" name="VisaConversionRateSwapAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_MortgageBankingIncomeMember" name="MortgageBankingIncomeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_ClassSettlementMember" name="ClassSettlementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_NumberofMortgageLoansRepurchasedPending" name="NumberofMortgageLoansRepurchasedPending" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="boh_NumberofMortgageLoansRepurchasedduetoLoanServicingActivities" name="NumberofMortgageLoansRepurchasedduetoLoanServicingActivities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_NumberofMortgageLoansRepurchasedduetoLoanServicingActivitiesPending" name="NumberofMortgageLoansRepurchasedduetoLoanServicingActivitiesPending" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="boh_CurrentLoansServicedForThirdPartiesAsPercentage" name="CurrentLoansServicedForThirdPartiesAsPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="boh_UsTreasuryAndGovernmentAgenciesMember" name="UsTreasuryAndGovernmentAgenciesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale" name="FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_Variationmarginpaymentsforswapliabilities" name="Variationmarginpaymentsforswapliabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld" name="FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_MortgageServicingRightsFairValueDisclosure" name="MortgageServicingRightsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_Level3AssetsAndLiabilitiesFairValueAndFairValueUnobservableInputsLineItems" name="Level3AssetsAndLiabilitiesFairValueAndFairValueUnobservableInputsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_Level3AssetsAndLiabilitiesFairValueAndFairValueUnobservableInputsTable" name="Level3AssetsAndLiabilitiesFairValueAndFairValueUnobservableInputsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_DiscountedCashFlowTechniqueMember" name="DiscountedCashFlowTechniqueMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_MortgageServicingRightsMember" name="MortgageServicingRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_PricingModelTechniqueMember" name="PricingModelTechniqueMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_Boh_MeasurementInputClosingRatioMember" name="Boh_MeasurementInputClosingRatioMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_FairValueOptionLoansHeldforSaleAggregateUnpaidPrincipal" name="FairValueOptionLoansHeldforSaleAggregateUnpaidPrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="boh_ResidentialMortgageHeldForSaleMember" name="ResidentialMortgageHeldForSaleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_FairValueTimeDeposits" name="FairValueTimeDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_LongTermDebtExcludingCapitalLeaseObligationsFairValue" name="LongTermDebtExcludingCapitalLeaseObligationsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="boh_NoninterestIncomeInScopeofTopic606Member" name="NoninterestIncomeInScopeofTopic606Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="boh_NoninterestIncomeOutofScopeofTopic606Member" name="NoninterestIncomeOutofScopeofTopic606Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
