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  <headerData>
    <submissionType>13F-HR/A</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001364615</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>03-31-2016</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>03-31-2016</reportCalendarOrQuarter>
      <isAmendment>true</isAmendment>
      <amendmentNo>1</amendmentNo>
      <amendmentInfo>
        <amendmentType>RESTATEMENT</amendmentType>
      </amendmentInfo>
      <filingManager>
        <name>Aperio Group, LLC</name>
        <address>
          <com:street1>THREE HARBOR DRIVE</com:street1>
          <com:street2>SUITE 204</com:street2>
          <com:city>SAUSALITO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94965</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-11964</form13FFileNumber>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>This restatement is filed by Aperio Group to reflect the results of a recent review in which we determined that certain shares previously reported as subject to the sole investment discretion of Aperio Group are more properly classified as being under the shared discretion of Aperio Group and the Other Included Manager named herein.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Lawrence S. Hing</name>
      <title>Chief Compliance Officer</title>
      <phone>(415) 339-4300</phone>
      <signature>Lawrence S. Hing</signature>
      <city>Sausalito</city>
      <stateOrCountry>CA</stateOrCountry>
      <signatureDate>04-12-2019</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>1</otherIncludedManagersCount>
      <tableEntryTotal>2740</tableEntryTotal>
      <tableValueTotal>11689666</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
      <otherManagers2Info>
        <otherManager2>
          <sequenceNumber>1</sequenceNumber>
          <otherManager>
            <cik>0001466170</cik>
            <form13FFileNumber>028-13935</form13FFileNumber>
            <name>MORGAN STANLEY SMITH BARNEY LLC</name>
          </otherManager>
        </otherManager2>
      </otherManagers2Info>
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