<?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>C000004266</classId>
        <classId>C000004268</classId>
        <classId>C000004265</classId>
        <classId>C000137237</classId>
        <classId>C000027580</classId>
        <classId>C000137236</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>Conservative Strategy Fund</seriesName>
      <seriesId>S000001578</seriesId>
      <seriesLei>D7FRTMXY2CS76ECVES28</seriesLei>
      <repPdEnd>2023-10-31</repPdEnd>
      <repPdDate>2023-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>88117818.10</totAssets>
      <totLiabs>86234.97</totLiabs>
      <netAssets>88031583.13</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="C000004266" rtn1="-1.46000000" rtn2="0.62000000" rtn3="1.01000000"/>
          <monthlyTotReturn classId="C000004268" rtn1="-1.40000000" rtn2="0.83000000" rtn3="1.08000000"/>
          <monthlyTotReturn classId="C000004265" rtn1="-7.22000000" rtn2="-4.97000000" rtn3="-4.73000000"/>
          <monthlyTotReturn classId="C000137237" rtn1="-1.40000000" rtn2="0.71000000" rtn3="0.98000000"/>
          <monthlyTotReturn classId="C000027580" rtn1="-1.40000000" rtn2="0.83000000" rtn3="1.11000000"/>
          <monthlyTotReturn classId="C000137236" rtn1="-1.41000000" rtn2="0.72000000" rtn3="1.18000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-68712.62000000" netUnrealizedAppr="-1218345.62000000"/>
        <othMon2 netRealizedGain="-189532.93000000" netUnrealizedAppr="871719.41000000"/>
        <othMon3 netRealizedGain="-2861.23000000" netUnrealizedAppr="727486.61000000"/>
      </returnInfo>
      <mon1Flow redemption="1632359.04000000" reinvestment="0.00000000" sales="687775.07000000"/>
      <mon2Flow redemption="2590809.88000000" reinvestment="0.00000000" sales="969278.18000000"/>
      <mon3Flow redemption="1629020.61000000" reinvestment="117162.47000000" sales="456596.31000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>RIC Conservative Strategy Fund Composite  Beg. of Time</nameDesignatedIndex>
          <indexIdentifier>CMP000106</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>550169.76000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4390354.65000000</valUSD>
        <pctVal>4.987249455137</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>263000.82000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2651048.23000000</valUSD>
        <pctVal>3.011473991198</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>434732.69000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7090490.09000000</valUSD>
        <pctVal>8.054484354244</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>111801.28000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1784348.49000000</valUSD>
        <pctVal>2.026941271026</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>66962.79000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1785897.48000000</valUSD>
        <pctVal>2.028700855422</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>4944216.52000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>44893486.03000000</valUSD>
        <pctVal>50.99702224337</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>196783.27000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1769081.62000000</valUSD>
        <pctVal>2.009598779323</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>478632.83000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8782912.34000000</valUSD>
        <pctVal>9.977001466655</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>61627.29000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1743435.98000000</valUSD>
        <pctVal>1.980466462162</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>1431204.48000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>13224329.40000000</valUSD>
        <pctVal>15.02225556988</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.c"/>
      <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"/>
    </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>
