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  <xs:element id="fsly_PerformanceTargetPayoutLevelTwoMember" abstract="true" name="PerformanceTargetPayoutLevelTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_PerformanceTargetPayoutLevelThreeMember" abstract="true" name="PerformanceTargetPayoutLevelThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_PayoutOfPerformanceBasedRestrictedStockUnitsPercentage" abstract="false" name="PayoutOfPerformanceBasedRestrictedStockUnitsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fsly_SharebasedCompensationArrangementbySharebasedPaymentAwardStockPlanOfferingPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardStockPlanOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fsly_PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssetsNet" abstract="false" name="PropertyPlantAndEquipmentNetAndOperatingLeaseRightOfUseAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fsly_ArturBergmanMember" abstract="true" name="ArturBergmanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_CharlesComptonMember" abstract="true" name="CharlesComptonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_JeffreyFordMember" abstract="true" name="JeffreyFordMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_PaulaLoopMember" abstract="true" name="PaulaLoopMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fsly_RichardWongMember" abstract="true" name="RichardWongMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
