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    <isConfidential>false</isConfidential>
    <filerInfo>

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


      <seriesClassInfo>
        <seriesId>S000001580</seriesId>
        <classId>C000004276</classId>
        <classId>C000027582</classId>
        <classId>C000137239</classId>
        <classId>C000004274</classId>
        <classId>C000137238</classId>
        <classId>C000004273</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
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    <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>Equity Growth Strategy Fund</seriesName>
      <seriesId>S000001580</seriesId>
      <seriesLei>STRC63W04HIL3BL2B129</seriesLei>
      <repPdEnd>2023-10-31</repPdEnd>
      <repPdDate>2023-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>310760462.73</totAssets>
      <totLiabs>240677.95</totLiabs>
      <netAssets>310519784.78</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="C000004276" rtn1="-1.40000000" rtn2="5.21000000" rtn3="3.02000000"/>
          <monthlyTotReturn classId="C000027582" rtn1="-1.47000000" rtn2="5.27000000" rtn3="3.03000000"/>
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          <monthlyTotReturn classId="C000004273" rtn1="-7.13000000" rtn2="-0.83000000" rtn3="-2.90000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-219521.54000000" netUnrealizedAppr="-4025708.93000000"/>
        <othMon2 netRealizedGain="-292144.46000000" netUnrealizedAppr="15674755.53000000"/>
        <othMon3 netRealizedGain="-213963.26000000" netUnrealizedAppr="8765865.32000000"/>
      </returnInfo>
      <mon1Flow redemption="5120847.23000000" reinvestment="0.00000000" sales="3560130.74000000"/>
      <mon2Flow redemption="4488068.38000000" reinvestment="0.00000000" sales="1367071.56000000"/>
      <mon3Flow redemption="7716137.37000000" reinvestment="922207.23000000" sales="4588223.09000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>RIC Equity Growth Strategy Fund Composite  Beg. of Time</nameDesignatedIndex>
          <indexIdentifier>CMP000124</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
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        <name>Multifactor International Equity Fund</name>
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        <title>Multifactor International Equity Fund</title>
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        <identifiers>
          <isin value="US78249R2893"/>
        </identifiers>
        <balance>2308967.22000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>23274389.56000000</valUSD>
        <pctVal>7.495300042311</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>
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        <identifiers>
          <isin value="US78249R3479"/>
        </identifiers>
        <balance>3637111.01000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59321280.57000000</valUSD>
        <pctVal>19.10386502812</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>
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        <identifiers>
          <isin value="US7824944398"/>
        </identifiers>
        <balance>688191.77000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10983540.62000000</valUSD>
        <pctVal>3.537146796550</pctVal>
        <payoffProfile>Long</payoffProfile>
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        <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>
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        <identifiers>
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        </identifiers>
        <balance>709042.64000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
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        <pctVal>6.089842955867</pctVal>
        <payoffProfile>Long</payoffProfile>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Strategic Bond Fund</name>
        <lei>XI1M1CDVRC8YNT0B5804</lei>
        <title>Strategic Bond Fund</title>
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        <identifiers>
          <isin value="US7824931593"/>
        </identifiers>
        <balance>1311406.64000000</balance>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Global Equity Fund</name>
        <lei>VTHOU527SFHXM6LQY641</lei>
        <title>Global Equity Fund</title>
        <cusip>782494447</cusip>
        <identifiers>
          <isin value="US7824944471"/>
        </identifiers>
        <balance>15246087.49000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>137062326.52000000</valUSD>
        <pctVal>44.13964366782</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 Infrastructure Fund</name>
        <lei>YLLCHFXPBQ1D4DCY1U29</lei>
        <title>Global Infrastructure Fund</title>
        <cusip>782494249</cusip>
        <identifiers>
          <isin value="US7824942491"/>
        </identifiers>
        <balance>697291.22000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6094325.25000000</valUSD>
        <pctVal>1.962620595759</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>434584.13000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12294384.90000000</valUSD>
        <pctVal>3.959291968693</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-Asset Growth Strategy Fund</name>
        <lei>549300X1VBO22V2H1F97</lei>
        <title>Multi-Asset Growth Strategy Fund</title>
        <cusip>78250F547</cusip>
        <identifiers>
          <isin value="US78250F5474"/>
        </identifiers>
        <balance>3121111.47000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30899003.51000000</valUSD>
        <pctVal>9.950735838584</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.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.a"/>
    </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>
