<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000351601</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000001577</seriesId>
        <classId>C000137235</classId>
        <classId>C000137234</classId>
        <classId>C000027578</classId>
        <classId>C000004261</classId>
        <classId>C000004263</classId>
        <classId>C000004260</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>RUSSELL INVESTMENT CO</regName>
      <regFileNumber>811-03153</regFileNumber>
      <regCik>0000351601</regCik>
      <regLei>549300J63VJ9OS4TCK93</regLei>
      <regStreet1>1301 SECOND AVENUE</regStreet1>
      <regStreet2>18TH FLOOR</regStreet2>
      <regCity>SEATTLE</regCity>
      <regStateConditional regCountry="US" regState="US-WA"/>
      <regZipOrPostalCode>98101</regZipOrPostalCode>
      <regPhone>800-787-7354</regPhone>
      <seriesName>Moderate Strategy Fund</seriesName>
      <seriesId>S000001577</seriesId>
      <seriesLei>1PKJF0IQ0W6P2ANFY543</seriesLei>
      <repPdEnd>2023-10-31</repPdEnd>
      <repPdDate>2023-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>151360271.20</totAssets>
      <totLiabs>126798.74</totLiabs>
      <netAssets>151233472.46</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000137235" rtn1="-1.38000000" rtn2="1.98000000" rtn3="1.60000000"/>
          <monthlyTotReturn classId="C000137234" rtn1="-1.37000000" rtn2="2.09000000" rtn3="1.52000000"/>
          <monthlyTotReturn classId="C000027578" rtn1="-1.36000000" rtn2="2.06000000" rtn3="1.56000000"/>
          <monthlyTotReturn classId="C000004261" rtn1="-1.44000000" rtn2="2.07000000" rtn3="1.43000000"/>
          <monthlyTotReturn classId="C000004263" rtn1="-1.36000000" rtn2="1.95000000" rtn3="1.66000000"/>
          <monthlyTotReturn classId="C000004260" rtn1="-7.03000000" rtn2="-3.73000000" rtn3="-4.37000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-243778.38000000" netUnrealizedAppr="-1790642.38000000"/>
        <othMon2 netRealizedGain="33170.97000000" netUnrealizedAppr="3050160.04000000"/>
        <othMon3 netRealizedGain="130526.40000000" netUnrealizedAppr="1963335.10000000"/>
      </returnInfo>
      <mon1Flow redemption="4194876.88000000" reinvestment="0.00000000" sales="937509.86000000"/>
      <mon2Flow redemption="1865790.30000000" reinvestment="0.00000000" sales="295225.87000000"/>
      <mon3Flow redemption="3063947.16000000" reinvestment="46754.45000000" sales="710287.94000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>RIC Moderate Strategy Fund Composite  Beg. of Time</nameDesignatedIndex>
          <indexIdentifier>CMP000107</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Multifactor Bond Fund</name>
        <lei>549300VRXC77M7KZRU37</lei>
        <title>Multifactor Bond Fund</title>
        <cusip>78250F398</cusip>
        <identifiers>
          <isin value="US78250F3982"/>
        </identifiers>
        <balance>2633424.82000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21014730.02000000</valUSD>
        <pctVal>13.89555478570</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Multifactor International Equity Fund</name>
        <lei>5493004SX31W5EXJ2590</lei>
        <title>Multifactor International Equity Fund</title>
        <cusip>78249R289</cusip>
        <identifiers>
          <isin value="US78249R2893"/>
        </identifiers>
        <balance>608436.25000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6133037.36000000</valUSD>
        <pctVal>4.055343873441</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Multifactor U.S. Equity Fund</name>
        <lei>549300PPT7741EJKD754</lei>
        <title>Multifactor U.S. Equity Fund</title>
        <cusip>78249R347</cusip>
        <identifiers>
          <isin value="US78249R3479"/>
        </identifiers>
        <balance>1225511.83000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19988097.98000000</valUSD>
        <pctVal>13.21671562179</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Emerging Markets Fund</name>
        <lei>TUWQFBBWGP866F5SFO52</lei>
        <title>Emerging Markets Fund</title>
        <cusip>782494439</cusip>
        <identifiers>
          <isin value="US7824944398"/>
        </identifiers>
        <balance>194218.03000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3099719.74000000</valUSD>
        <pctVal>2.049625449696</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>U.S. Small Cap Equity Fund</name>
        <lei>Z3PZWNK5SYVMTLL03992</lei>
        <title>U.S. Small Cap Equity Fund</title>
        <cusip>782493266</cusip>
        <identifiers>
          <isin value="US7824932666"/>
        </identifiers>
        <balance>174105.35000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4643389.71000000</valUSD>
        <pctVal>3.070345231428</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Strategic Bond Fund</name>
        <lei>XI1M1CDVRC8YNT0B5804</lei>
        <title>Strategic Bond Fund</title>
        <cusip>782493159</cusip>
        <identifiers>
          <isin value="US7824931593"/>
        </identifiers>
        <balance>5756826.36000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52271983.38000000</valUSD>
        <pctVal>34.56376589767</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Global Equity Fund</name>
        <lei>VTHOU527SFHXM6LQY641</lei>
        <title>Global Equity Fund</title>
        <cusip>782494447</cusip>
        <identifiers>
          <isin value="US7824944471"/>
        </identifiers>
        <balance>2387596.48000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21464492.31000000</valUSD>
        <pctVal>14.19295078057</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Unconstrained Total Return Fund</name>
        <lei>549300XXLJ6MGU95XN21</lei>
        <title>Unconstrained Total Return Fund</title>
        <cusip>78250F679</cusip>
        <identifiers>
          <isin value="US78250F6795"/>
        </identifiers>
        <balance>352061.84000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3017169.98000000</valUSD>
        <pctVal>1.995041131385</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Global Real Estate Securities Fund</name>
        <lei>12EWS3SG92VUE6HTB591</lei>
        <title>Global Real Estate Securities Fund</title>
        <cusip>782478713</cusip>
        <identifiers>
          <isin value="US7824787136"/>
        </identifiers>
        <balance>159983.25000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4525926.06000000</valUSD>
        <pctVal>2.992674826796</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Multi-Strategy Income Fund</name>
        <lei>549300A5DFWAE2ARUU44</lei>
        <title>Multi-Strategy Income Fund</title>
        <cusip>78249R214</cusip>
        <identifiers>
          <isin value="US78249R2141"/>
        </identifiers>
        <balance>1644493.17000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15195116.87000000</valUSD>
        <pctVal>10.04745617675</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="The calculation of portfolio-level risk metrics does not look through to the holdings of underlying fixed income funds." noteItem="B.3.b"/>
      <explntrNote note="The calculation of portfolio-level risk metrics does not look through to the holdings of underlying fixed income funds." noteItem="B.3.a"/>
      <explntrNote note="The calculation of portfolio-level risk metrics does not look through to the holdings of underlying fixed income funds." noteItem="B.3.c"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2023-08-30</ncom:dateSigned>
      <ncom:nameOfApplicant>RUSSELL INVESTMENT CO</ncom:nameOfApplicant>
      <ncom:signature>Kari Seabrands</ncom:signature>
      <ncom:signerName>Kari Seabrands</ncom:signerName>
      <ncom:title>Treasurer, Chief Accounting Officer and Chief Financial Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
