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  <xs:element id="zi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_OtherComprehensiveIncomeLossNetOfTaxSubsequentToReorganization" abstract="false" name="OtherComprehensiveIncomeLossNetOfTaxSubsequentToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_ZoomInfoHoldCoMember" abstract="true" name="ZoomInfoHoldCoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_ScheduleOfAcquiredAssetsByMajorClassTable" abstract="true" name="ScheduleOfAcquiredAssetsByMajorClassTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
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  <xs:element id="zi_StockIssuedDuringPeriodSharesExchange" abstract="false" name="StockIssuedDuringPeriodSharesExchange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="zi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_GainLossOnExtinguishmentOfDebtIncludingWriteOffOfUnamortizedIssuanceCostsAndPrepaymentPenalty" abstract="false" name="GainLossOnExtinguishmentOfDebtIncludingWriteOffOfUnamortizedIssuanceCostsAndPrepaymentPenalty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_NetIncomeLossAttributableToParentSubsequentToReorganization" abstract="false" name="NetIncomeLossAttributableToParentSubsequentToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationConsiderationTransferredIncentiveCompensation" abstract="false" name="BusinessCombinationConsiderationTransferredIncentiveCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_RedeemableSeriesAPreferredUnitsMember" abstract="true" name="RedeemableSeriesAPreferredUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_StockIssuedDuringPeriodValueNoncontrollingInterestIncreaseFromBusinessCombination" abstract="false" name="StockIssuedDuringPeriodValueNoncontrollingInterestIncreaseFromBusinessCombination" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_DebtInstrumentCovenantThresholdDrawsOnLineOfCreditToTriggerSpringingFinancialCovenant" abstract="false" name="DebtInstrumentCovenantThresholdDrawsOnLineOfCreditToTriggerSpringingFinancialCovenant" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_FirstLienTermLoanMember" abstract="true" name="FirstLienTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_HSKBIClass1UnitsMember" abstract="true" name="HSKBIClass1UnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_UndistributedEarningsDilutedReallocationOfEarningsUponConversionOfCommonStock" abstract="false" name="UndistributedEarningsDilutedReallocationOfEarningsUponConversionOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_OfficeRelocationMember" abstract="true" name="OfficeRelocationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_CommonStockNumberOfVotesPerShareHeldWhenLessThan5OfSharesAreOutstanding" abstract="false" name="CommonStockNumberOfVotesPerShareHeldWhenLessThan5OfSharesAreOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_SecondLienTermLoanMember" abstract="true" name="SecondLienTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_NoncashInvestingAndFinancingActivitiesIssuanceCostReimbursementsIncludedInAccountsReceivable" abstract="false" name="NoncashInvestingAndFinancingActivitiesIssuanceCostReimbursementsIncludedInAccountsReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationContingentConsiderationExpense" abstract="false" name="BusinessCombinationContingentConsiderationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_A3875SeniorNotesMember" abstract="true" name="A3875SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_InsentIncInsentMember" abstract="true" name="InsentIncInsentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_APICShareBasedCompensationIncreaseForCostOfRecognitionSubsequentToReorganization" abstract="false" name="APICShareBasedCompensationIncreaseForCostOfRecognitionSubsequentToReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_ZoomInfoIntermediateMember" abstract="true" name="ZoomInfoIntermediateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_NewCommonClassAMember" abstract="true" name="NewCommonClassAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_A2021BusinessAcquisitionsMember" abstract="true" name="A2021BusinessAcquisitionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_UndistributedEarningsDilutedIncreaseDecreaseInEarningsUponConversionOfPotentiallyDilutiveInstruments" abstract="false" name="UndistributedEarningsDilutedIncreaseDecreaseInEarningsUponConversionOfPotentiallyDilutiveInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_ShareBasedCompensationByShareBasedPaymentAwardPeriodToSettleAwards" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardPeriodToSettleAwards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="zi_BlockerMergersMember" abstract="true" name="BlockerMergersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_TrigerringEventsAxis" abstract="true" name="TrigerringEventsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="zi_BusinessCombinationProvisionalInformationInitialAccountingCompleteAdjustmentBusinessCombinationAccrualsFromAdjustmentsToWorkingCapitalBalances" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingCompleteAdjustmentBusinessCombinationAccrualsFromAdjustmentsToWorkingCapitalBalances" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_OperatingLeaseRightOfUseAssetMember" abstract="true" name="OperatingLeaseRightOfUseAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_StockIssuedDuringPeriodValuePurchaseOfUnits" abstract="false" name="StockIssuedDuringPeriodValuePurchaseOfUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPaymentsToAcquireBusinessesGrossExcludingPurchaseConsiderationLiabilitiesI" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPaymentsToAcquireBusinessesGrossExcludingPurchaseConsiderationLiabilitiesI" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TemporaryEquityExcessDueUponEarlyRedemptionNoncontrollingInterests" abstract="false" name="TemporaryEquityExcessDueUponEarlyRedemptionNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_FirstLienCreditAgreementAmendmentMember" abstract="true" name="FirstLienCreditAgreementAmendmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_BusinessCombinationDeferredConsideration" abstract="false" name="BusinessCombinationDeferredConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" abstract="false" name="TaxReceivableAgreementTaxBenefitsRealizedWhichMustThenBePaidPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_PaymentsToAcquireBusinessesGrossExcludingPurchaseConsiderationLiabilities" abstract="false" name="PaymentsToAcquireBusinessesGrossExcludingPurchaseConsiderationLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BusinessCombinationDeferredConsiderationAndEmployeeCompensation" abstract="false" name="BusinessCombinationDeferredConsiderationAndEmployeeCompensation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_PercentOfClassBAndClassCAsOutstandingCommonStockVotingRights" abstract="false" name="PercentOfClassBAndClassCAsOutstandingCommonStockVotingRights" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_EffectiveIncomeTaxRateReconciliationShiftOfGAAPBasisToTaxableEntityPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationShiftOfGAAPBasisToTaxableEntityPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="zi_PercentOfClassBAndClassCAsOutstandingCommonStockConversionRights" abstract="false" name="PercentOfClassBAndClassCAsOutstandingCommonStockConversionRights" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_AccruedSalesCommissionNoncurrent" abstract="false" name="AccruedSalesCommissionNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_BrandPortfolioMember" abstract="true" name="BrandPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_BusinessCombinationPortionOfReplacementAwardsAttributableToPreAcquisitionService" abstract="false" name="BusinessCombinationPortionOfReplacementAwardsAttributableToPreAcquisitionService" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TemporaryEquityDisclosureTextBlock" abstract="false" name="TemporaryEquityDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="zi_NumberOfOffices" abstract="false" name="NumberOfOffices" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="zi_DebtInstrumentAmountNotRedesignatedForWhichForecastedInterestPaymentsAreNotProbableToOccur" abstract="false" name="DebtInstrumentAmountNotRedesignatedForWhichForecastedInterestPaymentsAreNotProbableToOccur" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_EffectiveIncomeTaxRateReconciliationLiquidationOfCorporateSubsidiaryPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationLiquidationOfCorporateSubsidiaryPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_PaymentProvidedAsPercentOfNetCashSavings" abstract="false" name="PaymentProvidedAsPercentOfNetCashSavings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="zi_AccountingPoliciesLineItems" abstract="true" name="AccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="zi_PriorToFebruary12024Member" abstract="true" name="PriorToFebruary12024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
