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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-10-20T22:01:09.5480147+00:00 -->
<!-- Version            : 5.0.1.702 -->
<!-- Package ID         : b734363d7ee940c2850e3a2e3edd4953 -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="snap_TwoThousandTwentySevenSeniorConvertibleNotesMember" name="TwoThousandTwentySevenSeniorConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_ScenarioOneMember" name="ScenarioOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_ScenarioTwoMember" name="ScenarioTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_TwoThousandTwentyFiveSeniorConvertibleNotesMember" name="TwoThousandTwentyFiveSeniorConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_TwoThousandTwentySixSeniorConvertibleNotesMember" name="TwoThousandTwentySixSeniorConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_TwoThousandTwentyFiveAndTwoThousandTwentySixAndTwoThousandTwentySevenSeniorConvertibleNotesMember" name="TwoThousandTwentyFiveAndTwoThousandTwentySixAndTwoThousandTwentySevenSeniorConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_ExchangeAgreementsMember" name="ExchangeAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_DebtInstrumentConvertiblePrincipalAmountUsedInConversionRate" name="DebtInstrumentConvertiblePrincipalAmountUsedInConversionRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_DebtInstrumentConvertibleThresholdBusinessDays" name="DebtInstrumentConvertibleThresholdBusinessDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_DebtInstrumentCapCallTransactionCapPriceNetCost" name="DebtInstrumentCapCallTransactionCapPriceNetCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_DebtInstrumentCapCallTransactionCapPricePerShare" name="DebtInstrumentCapCallTransactionCapPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="snap_DebtConversionConvertedInstrumentAdditionalSharesIssued" name="DebtConversionConvertedInstrumentAdditionalSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_PurchaseCommitmentPercentageOfMinimumPurchaseRequirementCanBeMovedToSubsequentYear" name="PurchaseCommitmentPercentageOfMinimumPurchaseRequirementCanBeMovedToSubsequentYear" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_PurchaseCommitmentInitialTerm" name="PurchaseCommitmentInitialTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_PurchaseCommitmentPeriodRequiredToPurchaseMinimumAmountOfServices" name="PurchaseCommitmentPeriodRequiredToPurchaseMinimumAmountOfServices" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_GoogleCloudPlatformLicenseAgreementMember" name="GoogleCloudPlatformLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_AmazonWebServicesIncEnterpriseAgreementCloudServicesMember" name="AmazonWebServicesIncEnterpriseAgreementCloudServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_SecuritiesClassActionsMember" name="SecuritiesClassActionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_AmendedPurchaseObligation" name="AmendedPurchaseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_AmountOfPurchaseCommitmentPaid" name="AmountOfPurchaseCommitmentPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_ContractualObligationDueAfterFourthYear" name="ContractualObligationDueAfterFourthYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_LossContingencyExpectedSettlementAmount" name="LossContingencyExpectedSettlementAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_LesseeOperatingLeaseLeaseNotYetCommencedLeaseObligationsIncurred" name="LesseeOperatingLeaseLeaseNotYetCommencedLeaseObligationsIncurred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_LesseeOperatingLeaseLeaseNotYetCommencedCommencementStartYear" name="LesseeOperatingLeaseLeaseNotYetCommencedCommencementStartYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_LesseeOperatingLeaseLeaseNotYetCommencedCommencementEndYear" name="LesseeOperatingLeaseLeaseNotYetCommencedCommencementEndYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_InvestmentOwnedAtCarryingValue" name="InvestmentOwnedAtCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_PrivatelyHeldSecuritiesMember" name="PrivatelyHeldSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="snap_CashAndAvailableForSaleDebtSecuritiesAmortizedCostBasis" name="CashAndAvailableForSaleDebtSecuritiesAmortizedCostBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_CashAndAvailableForSaleSecuritiesDebtSecuritiesFairValue" name="CashAndAvailableForSaleSecuritiesDebtSecuritiesFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_CashEquitySecuritiesAndAvailableForSaleDebtSecuritiesAmortizedCostBasis" name="CashEquitySecuritiesAndAvailableForSaleDebtSecuritiesAmortizedCostBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_AvailableForSaleDebtSecuritiesAndEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" name="AvailableForSaleDebtSecuritiesAndEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_AvailableForSaleDebtSecuritiesAndEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" name="AvailableForSaleDebtSecuritiesAndEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_CashEquitySecuritiesAndAvailableForSaleSecuritiesDebtSecuritiesFairValue" name="CashEquitySecuritiesAndAvailableForSaleSecuritiesDebtSecuritiesFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_EquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" name="EquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="snap_EquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" name="EquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="snap_MarketableSecuritiesContractualMaturitiesPeriod" name="MarketableSecuritiesContractualMaturitiesPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_NumberOfCountryExceededTenPercentageOfPropertyAndEquipment" name="NumberOfCountryExceededTenPercentageOfPropertyAndEquipment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="snap_PropertyAndEquipmentNetMember" name="PropertyAndEquipmentNetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
