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    <isConfidential>false</isConfidential>
    <filerInfo>

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


      <seriesClassInfo>
        <seriesId>S000001575</seriesId>
        <classId>C000137230</classId>
        <classId>C000004250</classId>
        <classId>C000004251</classId>
        <classId>C000004253</classId>
        <classId>C000137231</classId>
        <classId>C000027574</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>Growth Strategy Fund</seriesName>
      <seriesId>S000001575</seriesId>
      <seriesLei>IKP5EQ1QZHHH33S96T86</seriesLei>
      <repPdEnd>2022-10-31</repPdEnd>
      <repPdDate>2022-10-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>650651132.39</totAssets>
      <totLiabs>500285.61</totLiabs>
      <netAssets>650150846.78</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="C000137230" rtn1="-4.00000000" rtn2="-8.62000000" rtn3="5.96000000"/>
          <monthlyTotReturn classId="C000004250" rtn1="-9.44000000" rtn2="-14.05000000" rtn3="-0.08000000"/>
          <monthlyTotReturn classId="C000004251" rtn1="-4.00000000" rtn2="-8.76000000" rtn3="5.87000000"/>
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          <monthlyTotReturn classId="C000027574" rtn1="-3.93000000" rtn2="-8.75000000" rtn3="6.05000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-1131560.95000000" netUnrealizedAppr="-27189297.76000000"/>
        <othMon2 netRealizedGain="-2056449.86000000" netUnrealizedAppr="-57198212.27000000"/>
        <othMon3 netRealizedGain="-1188846.44000000" netUnrealizedAppr="37579242.85000000"/>
      </returnInfo>
      <mon1Flow redemption="14646253.77000000" reinvestment="0.00000000" sales="4291646.50000000"/>
      <mon2Flow redemption="8816377.20000000" reinvestment="0.00000000" sales="1939563.46000000"/>
      <mon3Flow redemption="10301548.87000000" reinvestment="1209853.94000000" sales="1804133.33000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>RIC Growth Strategy Fund Composite 2021-04-21</nameDesignatedIndex>
          <indexIdentifier>CMP000112</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>
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        </identifiers>
        <balance>5140176.63400000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>42303653.70000000</valUSD>
        <pctVal>6.506744382402</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>
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        <balance>9341542.74200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>135545785.19000000</valUSD>
        <pctVal>20.84835940171</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Emerging Markets Fund</name>
        <lei>TUWQFBBWGP866F5SFO52</lei>
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        </identifiers>
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        <curCd>USD</curCd>
        <valUSD>12047863.48000000</valUSD>
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        <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>
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      </invstOrSec>
      <invstOrSec>
        <name>U.S. Small Cap Equity Fund</name>
        <lei>Z3PZWNK5SYVMTLL03992</lei>
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        <curCd>USD</curCd>
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        <pctVal>4.131971468321</pctVal>
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        <invCountry>US</invCountry>
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        <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>
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        <identifiers>
          <isin value="US7824931593"/>
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        <units>NS</units>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Global Equity Fund</name>
        <lei>VTHOU527SFHXM6LQY641</lei>
        <title>Global Equity Fund</title>
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        <identifiers>
          <isin value="US7824944471"/>
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        <balance>35897450.10300000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>269589850.27000000</valUSD>
        <pctVal>41.46573854440</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>
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      </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>1512575.42500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
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        <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>1176598.86800000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30697464.47000000</valUSD>
        <pctVal>4.721591092595</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>7448711.89100000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>64878280.57000000</valUSD>
        <pctVal>9.978958097389</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>2022-11-15</ncom:dateSigned>
      <ncom:nameOfApplicant>RUSSELL INVESTMENT CO</ncom:nameOfApplicant>
      <ncom:signature>Mark Swanson</ncom:signature>
      <ncom:signerName>Mark Swanson</ncom:signerName>
      <ncom:title>Treasurer, Chief Accounting Officer and Chief Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
