<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Fri Apr 21 00:43:16 UTC 2023 -->
<xs:schema elementFormDefault="qualified" targetNamespace="http://www.fortinet.com/20221231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:ftnt="http://www.fortinet.com/20221231" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="ftnt-20221231_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ftnt-20221231_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ftnt-20221231_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>
      <link:roleType roleURI="http://www.fortinet.com/role/AdditionalDimensions" id="ftnt_r_AdditionalDimensions">
        <link:definition>999000 - Disclosure - Pay vs Performance Disclosure - Additional Dimensions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2022q4" schemaLocation="https://xbrl.sec.gov/ecd/2022q4/ecd-2022q4.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd-sub/2022q4" schemaLocation="https://xbrl.sec.gov/ecd/2022q4/ecd-sub-2022q4.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei-sub/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-sub-2022.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:element name="AdditionsOfEquityValueToSCTTotalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_AdditionsOfEquityValueToSCTTotalMember"/>
  <xs:element name="ChangeInPensionValueAndEquityAwardValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_ChangeInPensionValueAndEquityAwardValueMember"/>
  <xs:element name="DeductionsOfEquityValueFromSCTTotalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_DeductionsOfEquityValueFromSCTTotalMember"/>
<!-- [WMV5][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt/tSeJz73kx1cLt0ZFF2SK/vxBCY0vdSrY0180D1FZnJDYnn7kvhuBj1khIeq5MQpH2RcgFJ1gURxsHi6UAj0J3TauMJC/saoTqmq/TFWXhX89XrsYl2+fkX5dfaZFsJzm6DCTwm6rAU18nYdED2eihZEzCGPb6mHI4ZrWitXq6FPi2AcHlWsB61zQD+/iNWoB402NG04d4QGdYJxbmXY+i3bgcv7MYnhvJGVxBu/SWDg==] CSR-->
  <xs:element name="EquityAwardsAdjustmentsAdjustmentsForEquityAwardsFailedToMeetPerformanceConditionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsAdjustmentsForEquityAwardsFailedToMeetPerformanceConditionsMember"/>
  <xs:element name="EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfCurrentAwardsVestedDuringCurrentYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfCurrentAwardsVestedDuringCurrentYearMember"/>
  <xs:element name="EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfPriorYearAwardsVestedDuringCurrentYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfPriorYearAwardsVestedDuringCurrentYearMember"/>
  <xs:element name="EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfVestedAwardsDuringCurrentYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsChangeInFairValueAsOfVestingDateOfVestedAwardsDuringCurrentYearMember"/>
  <xs:element name="EquityAwardsAdjustmentsChangeInFairValueAsOfYearEndOfOutstandingAndUnvestedAwardsGrantedInPriorYearsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsChangeInFairValueAsOfYearEndOfOutstandingAndUnvestedAwardsGrantedInPriorYearsMember"/>
  <xs:element name="EquityAwardsAdjustmentsDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueMember"/>
  <xs:element name="EquityAwardsAdjustmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsMember"/>
  <xs:element name="EquityAwardsAdjustmentsYearEndFairValueOfAwardsGrantedInCurrentYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsAdjustmentsYearEndFairValueOfAwardsGrantedInCurrentYearMember"/>
  <xs:element name="EquityAwardsValueInCompensationTableForTheApplicableYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_EquityAwardsValueInCompensationTableForTheApplicableYearMember"/>
  <xs:element name="FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember"/>
  <xs:element name="FairValueAsOfVestingDateOfEquityAwardsGrantedDuringYearAndVestedInTheYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_FairValueAsOfVestingDateOfEquityAwardsGrantedDuringYearAndVestedInTheYearMember"/>
  <xs:element name="FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember"/>
  <xs:element name="NetAdjustmentsForEquityAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_NetAdjustmentsForEquityAwardsMember"/>
  <xs:element name="NetAdjustmentsForPensionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_NetAdjustmentsForPensionMember"/>
  <xs:element name="PEOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PEOMember"/>
  <xs:element name="PensionAdjustmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PensionAdjustmentsMember"/>
  <xs:element name="PensionAdjustmentsPriorServiceCostMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PensionAdjustmentsPriorServiceCostMember"/>
  <xs:element name="PensionAdjustmentsServiceCostMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PensionAdjustmentsServiceCostMember"/>
  <xs:element name="PensionValueAndEquityAwardsValueInCompensationTableForTheApplicableYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PensionValueAndEquityAwardsValueInCompensationTableForTheApplicableYearMember"/>
  <xs:element name="PensionValueInCompensationTableForTheApplicableYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_PensionValueInCompensationTableForTheApplicableYearMember"/>
  <xs:element name="TotalEquityAwardAdjustmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_TotalEquityAwardAdjustmentsMember"/>
  <xs:element name="ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember"/>
  <xs:element name="YearEndFairValueOfEquityAwardsGrantedDuringYearThatRemainedUnvestedAsOfLastDayOfYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearEndFairValueOfEquityAwardsGrantedDuringYearThatRemainedUnvestedAsOfLastDayOfYearMember"/>
  <xs:element name="YearEndFairValueOfEquityAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearEndFairValueOfEquityAwardsMember"/>
  <xs:element name="YearOverYearChangeInFairValueFromLastDayOfPriorYearToLastDayOfYearOfEquityAwardsGrantedInPriorYearsThatRemainedUnvestedAsOfLastDayOfYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearOverYearChangeInFairValueFromLastDayOfPriorYearToLastDayOfYearOfEquityAwardsGrantedInPriorYearsThatRemainedUnvestedAsOfLastDayOfYearMember"/>
  <xs:element name="YearOverYearChangeInFairValueFromLastDayOfPriorYearToVestingDateOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearOverYearChangeInFairValueFromLastDayOfPriorYearToVestingDateOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember"/>
  <xs:element name="YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember"/>
  <xs:element name="YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ftnt_YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember"/>
</xs:schema>
