<?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>S000001578</seriesId>
        <classId>C000004265</classId>
        <classId>C000004266</classId>
        <classId>C000004268</classId>
        <classId>C000027580</classId>
        <classId>C000137237</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>RUSSELL INVESTMENT CO</regName>
      <regFileNumber>811-03153</regFileNumber>
      <regCik>0000351601</regCik>
      <regLei>549300J63VJ9OS4TCK93</regLei>
      <regStreet1>401 Union Street</regStreet1>
      <regStreet2>18th Floor</regStreet2>
      <regCity>Seattle</regCity>
      <regStateConditional regCountry="US" regState="US-WA"/>
      <regZipOrPostalCode>98101</regZipOrPostalCode>
      <regPhone>800-787-7354</regPhone>
      <seriesName>Conservative Strategy Fund</seriesName>
      <seriesId>S000001578</seriesId>
      <seriesLei>D7FRTMXY2CS76ECVES28</seriesLei>
      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-01-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>58274179.05</totAssets>
      <totLiabs>19853.47</totLiabs>
      <netAssets>58254325.58</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="C000004265" rtn1="0.77000000" rtn2="-0.06000000" rtn3="0.88000000"/>
          <monthlyTotReturn classId="C000004266" rtn1="0.68000000" rtn2="-0.16000000" rtn3="0.80000000"/>
          <monthlyTotReturn classId="C000004268" rtn1="0.75000000" rtn2="-0.01000000" rtn3="0.87000000"/>
          <monthlyTotReturn classId="C000027580" rtn1="0.75000000" rtn2="-0.08000000" rtn3="0.97000000"/>
          <monthlyTotReturn classId="C000137237" rtn1="0.65000000" rtn2="-0.02000000" rtn3="0.87000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="6957.67000000" netUnrealizedAppr="275505.23000000"/>
        <othMon2 netRealizedGain="49476.72000000" netUnrealizedAppr="-2312704.00000000"/>
        <othMon3 netRealizedGain="58588.03000000" netUnrealizedAppr="491337.75000000"/>
      </returnInfo>
      <mon1Flow redemption="1645466.70000000" reinvestment="0.00000000" sales="414520.25000000"/>
      <mon2Flow redemption="847119.03000000" reinvestment="625422.56000000" sales="330907.70000000"/>
      <mon3Flow redemption="1435335.79000000" reinvestment="0.00000000" sales="725730.46000000"/>



    </fundInfo>
    <invstOrSecs>
      <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>37616.46000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1169871.97000000</valUSD>
        <pctVal>2.008214769207</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>2127945.46000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19215347.48000000</valUSD>
        <pctVal>32.98527154625</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>Investment Grade Bond Fund</name>
        <lei>6XE31ODZPBO0SIDX5S75</lei>
        <title>Investment Grade Bond Fund</title>
        <cusip>782493175</cusip>
        <identifiers>
          <isin value="US7824931759"/>
        </identifiers>
        <balance>539800.61000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9899943.24000000</valUSD>
        <pctVal>16.99434873107</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>42833.41000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1149648.59000000</valUSD>
        <pctVal>1.973499098227</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>Opportunistic Credit Fund</name>
        <lei>QMX8CVY41B3G014K7N60</lei>
        <title>Opportunistic Credit Fund</title>
        <cusip>782494181</cusip>
        <identifiers>
          <isin value="US7824941816"/>
        </identifiers>
        <balance>670146.80000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5823575.69000000</valUSD>
        <pctVal>9.996812480478</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>Short Duration Bond Fund</name>
        <lei>SYIWP2HFI2PTL75P6V57</lei>
        <title>Short Duration Bond Fund</title>
        <cusip>782494421</cusip>
        <identifiers>
          <isin value="US7824944216"/>
        </identifiers>
        <balance>260975.14000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4955917.81000000</valUSD>
        <pctVal>8.507381659056</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>50793.91000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1163688.39000000</valUSD>
        <pctVal>1.997599969468</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>446277.04000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4659132.31000000</valUSD>
        <pctVal>7.997916487079</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>87457.24000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1164930.37000000</valUSD>
        <pctVal>1.999731965655</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>370494.23000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4931278.23000000</valUSD>
        <pctVal>8.465085091797</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>Long Duration Bond Fund</name>
        <lei>549300VRXC77M7KZRU37</lei>
        <title>Long Duration Bond Fund</title>
        <cusip>78250F398</cusip>
        <identifiers>
          <isin value="US78250F3982"/>
        </identifiers>
        <balance>513228.95000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4064773.30000000</valUSD>
        <pctVal>6.977633436710</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.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.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.c"/>
      <explntrNote note="Total returns do not reflect the deduction of sales loads and redemption fees" noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-02-27</ncom:dateSigned>
      <ncom:nameOfApplicant>RUSSELL INVESTMENT CO</ncom:nameOfApplicant>
      <ncom:signature>Ross Erickson</ncom:signature>
      <ncom:signerName>Ross Erickson</ncom:signerName>
      <ncom:title>Treasurer, Principal Accounting Officer and Principal Financial Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
