<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns="http://www.sec.gov/edgar/npx">
  <headerData>
    <submissionType>N-PX</submissionType>
    <filerInfo>
      <registrantType>RMIC</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000351601</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-1A</investmentCompanyType>
      <periodOfReport>06/30/2025</periodOfReport>
    </filerInfo>
    <seriesClass>
      <reportSeriesClass>
        <rptSeriesClassInfo>
          <seriesId>S000001586</seriesId>
          <classInfo>
            <classId>C000004298</classId>
          </classInfo>
          <classInfo>
            <classId>C000066905</classId>
          </classInfo>
          <classInfo>
            <classId>C000066906</classId>
          </classInfo>
          <classInfo>
            <classId>C000066907</classId>
          </classInfo>
          <classInfo>
            <classId>C000166199</classId>
          </classInfo>
          <classInfo>
            <classId>C000178340</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001569</seriesId>
          <classInfo>
            <classId>C000004230</classId>
          </classInfo>
          <classInfo>
            <classId>C000004231</classId>
          </classInfo>
          <classInfo>
            <classId>C000043464</classId>
          </classInfo>
          <classInfo>
            <classId>C000066900</classId>
          </classInfo>
          <classInfo>
            <classId>C000166195</classId>
          </classInfo>
          <classInfo>
            <classId>C000178285</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001585</seriesId>
          <classInfo>
            <classId>C000004295</classId>
          </classInfo>
          <classInfo>
            <classId>C000066902</classId>
          </classInfo>
          <classInfo>
            <classId>C000066903</classId>
          </classInfo>
          <classInfo>
            <classId>C000066904</classId>
          </classInfo>
          <classInfo>
            <classId>C000166198</classId>
          </classInfo>
          <classInfo>
            <classId>C000178335</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000015554</seriesId>
          <classInfo>
            <classId>C000042371</classId>
          </classInfo>
          <classInfo>
            <classId>C000042372</classId>
          </classInfo>
          <classInfo>
            <classId>C000042374</classId>
          </classInfo>
          <classInfo>
            <classId>C000066919</classId>
          </classInfo>
          <classInfo>
            <classId>C000166205</classId>
          </classInfo>
          <classInfo>
            <classId>C000178375</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000029198</seriesId>
          <classInfo>
            <classId>C000089834</classId>
          </classInfo>
          <classInfo>
            <classId>C000089835</classId>
          </classInfo>
          <classInfo>
            <classId>C000089837</classId>
          </classInfo>
          <classInfo>
            <classId>C000089838</classId>
          </classInfo>
          <classInfo>
            <classId>C000166207</classId>
          </classInfo>
          <classInfo>
            <classId>C000178385</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001579</seriesId>
          <classInfo>
            <classId>C000004269</classId>
          </classInfo>
          <classInfo>
            <classId>C000004270</classId>
          </classInfo>
          <classInfo>
            <classId>C000043465</classId>
          </classInfo>
          <classInfo>
            <classId>C000066901</classId>
          </classInfo>
          <classInfo>
            <classId>C000166197</classId>
          </classInfo>
          <classInfo>
            <classId>C000178325</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001588</seriesId>
          <classInfo>
            <classId>C000004304</classId>
          </classInfo>
          <classInfo>
            <classId>C000066908</classId>
          </classInfo>
          <classInfo>
            <classId>C000066909</classId>
          </classInfo>
          <classInfo>
            <classId>C000066910</classId>
          </classInfo>
          <classInfo>
            <classId>C000166201</classId>
          </classInfo>
          <classInfo>
            <classId>C000178350</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000045903</seriesId>
          <classInfo>
            <classId>C000143048</classId>
          </classInfo>
          <classInfo>
            <classId>C000143049</classId>
          </classInfo>
          <classInfo>
            <classId>C000143050</classId>
          </classInfo>
          <classInfo>
            <classId>C000143052</classId>
          </classInfo>
          <classInfo>
            <classId>C000148918</classId>
          </classInfo>
          <classInfo>
            <classId>C000166215</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000045902</seriesId>
          <classInfo>
            <classId>C000143043</classId>
          </classInfo>
          <classInfo>
            <classId>C000143044</classId>
          </classInfo>
          <classInfo>
            <classId>C000143046</classId>
          </classInfo>
          <classInfo>
            <classId>C000143047</classId>
          </classInfo>
          <classInfo>
            <classId>C000148917</classId>
          </classInfo>
          <classInfo>
            <classId>C000166214</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001591</seriesId>
          <classInfo>
            <classId>C000004313</classId>
          </classInfo>
          <classInfo>
            <classId>C000066914</classId>
          </classInfo>
          <classInfo>
            <classId>C000066915</classId>
          </classInfo>
          <classInfo>
            <classId>C000066916</classId>
          </classInfo>
          <classInfo>
            <classId>C000166203</classId>
          </classInfo>
          <classInfo>
            <classId>C000178360</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000064943</seriesId>
          <classInfo>
            <classId>C000210287</classId>
          </classInfo>
          <classInfo>
            <classId>C000210288</classId>
          </classInfo>
          <classInfo>
            <classId>C000210291</classId>
          </classInfo>
          <classInfo>
            <classId>C000210293</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001570</seriesId>
          <classInfo>
            <classId>C000004233</classId>
          </classInfo>
          <classInfo>
            <classId>C000004234</classId>
          </classInfo>
          <classInfo>
            <classId>C000089689</classId>
          </classInfo>
          <classInfo>
            <classId>C000178286</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000001571</seriesId>
          <classInfo>
            <classId>C000004236</classId>
          </classInfo>
          <classInfo>
            <classId>C000004237</classId>
          </classInfo>
          <classInfo>
            <classId>C000089690</classId>
          </classInfo>
          <classInfo>
            <classId>C000178295</classId>
          </classInfo>
        </rptSeriesClassInfo>
        <rptSeriesClassInfo>
          <seriesId>S000037466</seriesId>
          <classInfo>
            <classId>C000115674</classId>
          </classInfo>
          <classInfo>
            <classId>C000115675</classId>
          </classInfo>
          <classInfo>
            <classId>C000115677</classId>
          </classInfo>
          <classInfo>
            <classId>C000166212</classId>
          </classInfo>
          <classInfo>
            <classId>C000178405</classId>
          </classInfo>
          <classInfo>
            <classId>C000198621</classId>
          </classInfo>
        </rptSeriesClassInfo>
      </reportSeriesClass>
    </seriesClass>
  </headerData>
  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2025</reportCalendarYear>
      <reportingPerson>
        <name>Russell Investment Co</name>
        <phoneNumber>8007877354</phoneNumber>
        <address>
          <com:street1>1301 2nd Avenue</com:street1>
          <com:street2>18th Floor</com:street2>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98101</com:zipCode>
        </address>
      </reportingPerson>
      <agentForService/>
      <reportInfo>
        <reportType>FUND VOTING REPORT</reportType>
        <confidentialTreatment>N</confidentialTreatment>
      </reportInfo>
      <fileNumber>811-03153</fileNumber>
      <leiNumber>549300J63VJ9OS4TCK93</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>N</explanatoryChoice>
      </explanatoryInformation>
    </coverPage>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
    </summaryPage>
    <seriesPage>
      <seriesCount>14</seriesCount>
      <seriesDetails>
        <seriesReports>
          <idOfSeries>S000001586</idOfSeries>
          <nameOfSeries>U.S. Small Cap Equity Fund</nameOfSeries>
          <leiOfSeries>Z3PZWNK5SYVMTLL03992</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001569</idOfSeries>
          <nameOfSeries>Emerging Markets Fund</nameOfSeries>
          <leiOfSeries>TUWQFBBWGP866F5SFO52</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001585</idOfSeries>
          <nameOfSeries>Equity Income Fund</nameOfSeries>
          <leiOfSeries>4FDM644J6KCXLK65O821</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000015554</idOfSeries>
          <nameOfSeries>Global Equity Fund</nameOfSeries>
          <leiOfSeries>VTHOU527SFHXM6LQY641</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000029198</idOfSeries>
          <nameOfSeries>Global Infrastructure Fund</nameOfSeries>
          <leiOfSeries>YLLCHFXPBQ1D4DCY1U29</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001579</idOfSeries>
          <nameOfSeries>Global Real Estate Securities Fund</nameOfSeries>
          <leiOfSeries>12EWS3SG92VUE6HTB591</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001588</idOfSeries>
          <nameOfSeries>International Developed Markets Fund</nameOfSeries>
          <leiOfSeries>W45WSC42BPNXLL6KLV93</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000045903</idOfSeries>
          <nameOfSeries>Multifactor International Equity Fund</nameOfSeries>
          <leiOfSeries>5493004SX31W5EXJ2590</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000045902</idOfSeries>
          <nameOfSeries>Multifactor U.S. Equity Fund</nameOfSeries>
          <leiOfSeries>549300PPT7741EJKD754</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001591</idOfSeries>
          <nameOfSeries>Sustainable Aware Equity Fund</nameOfSeries>
          <leiOfSeries>L6JI58W5IZHJ8N7NDM52</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000064943</idOfSeries>
          <nameOfSeries>Tax-Managed Real Assets Fund</nameOfSeries>
          <leiOfSeries>5493008SX7HC4RVACG47</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001570</idOfSeries>
          <nameOfSeries>Tax-Managed U.S. Large Cap Fund</nameOfSeries>
          <leiOfSeries>5O1N10YHZL6CU45T0Q61</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000001571</idOfSeries>
          <nameOfSeries>Tax-Managed U.S. Mid &amp; Small Cap Fund</nameOfSeries>
          <leiOfSeries>VWGN3S1ZCNXMBILD4Q74</leiOfSeries>
        </seriesReports>
        <seriesReports>
          <idOfSeries>S000037466</idOfSeries>
          <nameOfSeries>U.S. Strategic Equity Fund</nameOfSeries>
          <leiOfSeries>BRBLDEE3W4XF96JMJI77</leiOfSeries>
        </seriesReports>
      </seriesDetails>
    </seriesPage>
    <signaturePage>
      <reportingPerson>Russell Investment Co</reportingPerson>
      <txSignature>Vernon Barback</txSignature>
      <txPrintedSignature>Vernon Barback</txPrintedSignature>
      <txTitle>President and Chief Executive Officer</txTitle>
      <txAsOfDate>08/27/2025</txAsOfDate>
    </signaturePage>
  </formData>
</edgarSubmission>
