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<edgarSubmission xmlns="http://www.sec.gov/edgar/npx" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>N-PX</submissionType>
    <filerInfo>
      <registrantType>RMIC</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0002018846</cik>
          <ccc>XXXXXXXX</ccc>
          <!--Field: Pseudo-Tag; ID: Name; Data:-->
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-1A</investmentCompanyType>
      <periodOfReport>06/30/2026</periodOfReport>
    </filerInfo>
    <seriesClass>
      <reportSeriesClass>
        <rptSeriesClassInfo>
          <seriesId>S000085666</seriesId>
          <!--Field: Pseudo-Tag; ID: Series Name; Data: MFS Active Core Plus Bond ETF-->
          <includeAllClassesFlag>true</includeAllClassesFlag>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000085668</seriesId>
          <!--Field: Pseudo-Tag; ID: Series Name; Data: MFS Active Intermediate Muni Bond ETF-->
          <includeAllClassesFlag>true</includeAllClassesFlag>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000104938</seriesId>
          <!--Field: Pseudo-Tag; ID: Series Name; Data: MFS Active International Value ETF-->
          <includeAllClassesFlag>true</includeAllClassesFlag>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000104939</seriesId>
          <!--Field: Pseudo-Tag; ID: Series Name; Data: MFS Blended Research Small%2DMid Cap ETF-->
          <includeAllClassesFlag>true</includeAllClassesFlag>
        </rptSeriesClassInfo>
      </reportSeriesClass>
    </seriesClass>
  </headerData>
  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2026</reportCalendarYear>
      <reportingPerson>
        <name>MFS Active Exchange Traded Funds Trust</name>
        <phoneNumber>617-954-5000</phoneNumber>
        <address>
          <com:street1>111 Huntington Avenue</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02199</com:zipCode>
        </address>
      </reportingPerson>
      <agentForService>
        <name>Christopher R. Bohane Massachusetts Financial Services Company</name>
        <address>
          <com:street1>111 Huntington Avenue</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02199</com:zipCode>
        </address>
      </agentForService>
      <reportInfo>
        <reportType>FUND NOTICE REPORT</reportType>
      </reportInfo>
      <fileNumber>811-23953</fileNumber>
      <leiNumber>254900BBYRSBROE1WI76</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>Y</explanatoryChoice>
        <explanatoryNotes>On behalf of MFS Active Core Plus Bond ETF, MFS Active Intermediate Muni Bond ETF, MFS Active International Value ETF, and MFS Blended Research Small-Mid Cap ETF (the "funds"), all series of MFS Active Exchange Traded Funds Trust, there are no proxy voting activity for the funds, as the funds did not hold any votable positions during the reporting period. The reporting period for the MFS Active International Value ETF and the MFS Blended Research Small-Mid Cap ETF started June 4, 2026, the date the funds commenced their investment operations.</explanatoryNotes>
      </explanatoryInformation>
    </coverPage>
    <seriesPage>
      <seriesCount>4</seriesCount>
      <seriesDetails>
        <seriesReports>
          <idOfSeries>S000085666</idOfSeries>
          <nameOfSeries>MFS Active Core Plus Bond ETF</nameOfSeries>
          <leiOfSeries>254900UJDCSVKEHOW313</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000085668</idOfSeries>
          <nameOfSeries>MFS Active Intermediate Muni Bond ETF</nameOfSeries>
          <leiOfSeries>2549005ZTJ37E48F3888</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000104938</idOfSeries>
          <nameOfSeries>MFS Active International Value ETF</nameOfSeries>
          <leiOfSeries>2549003C8S49TCYXM358</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000104939</idOfSeries>
          <nameOfSeries>MFS Blended Research Small-Mid Cap ETF</nameOfSeries>
          <leiOfSeries>254900YRSN3NFVLPV396</leiOfSeries>
        </seriesReports>
      </seriesDetails>
    </seriesPage>
    <signaturePage>
      <reportingPerson>MFS Active Exchange Traded Funds Trust</reportingPerson>
      <txSignature>David DiLorenzo</txSignature>
      <txPrintedSignature>David DiLorenzo</txPrintedSignature>
      <txTitle>President and Principal Executive Officer</txTitle>
      <txAsOfDate>08/26/2026</txAsOfDate>
    </signaturePage>
  </formData>
</edgarSubmission>
