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    <isConfidential>false</isConfidential>
    <filerInfo>

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


      <seriesClassInfo>
        <seriesId>S000001576</seriesId>
        <classId>C000137232</classId>
        <classId>C000027576</classId>
        <classId>C000004258</classId>
        <classId>C000137233</classId>
        <classId>C000004256</classId>
        <classId>C000004255</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>Balanced Strategy Fund</seriesName>
      <seriesId>S000001576</seriesId>
      <seriesLei>5O7LPB1C1XY5TOQVPO57</seriesLei>
      <repPdEnd>2022-10-31</repPdEnd>
      <repPdDate>2022-10-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>723649302.79</totAssets>
      <totLiabs>563777.55</totLiabs>
      <netAssets>723085525.24</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>11.66000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000137232" rtn1="-3.55000000" rtn2="-7.79000000" rtn3="4.11000000"/>
          <monthlyTotReturn classId="C000027576" rtn1="-3.49000000" rtn2="-7.77000000" rtn3="4.11000000"/>
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        <othMon1 netRealizedGain="-1109357.60000000" netUnrealizedAppr="-27463542.36000000"/>
        <othMon2 netRealizedGain="-1946649.80000000" netUnrealizedAppr="-57826145.14000000"/>
        <othMon3 netRealizedGain="-1998386.12000000" netUnrealizedAppr="29485411.44000000"/>
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      <mon2Flow redemption="11237993.52000000" reinvestment="0.00000000" sales="2057696.94000000"/>
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      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>RIC Balanced Strategy Fund Composite 2021-04-21</nameDesignatedIndex>
          <indexIdentifier>CMP000110</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>4415841.46900000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>36342375.29000000</valUSD>
        <pctVal>5.026013385890</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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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>106846093.74000000</valUSD>
        <pctVal>14.77641164294</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>Emerging Markets Fund</name>
        <lei>TUWQFBBWGP866F5SFO52</lei>
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        <identifiers>
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        <units>NS</units>
        <curCd>USD</curCd>
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        <pctVal>2.345632351632</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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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>
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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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        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
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        <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>
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        <identifiers>
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        <balance>22452970.81200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
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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>31245060.39500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
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        <pctVal>32.45126549755</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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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>Unconstrained Total Return Fund</name>
        <lei>549300XXLJ6MGU95XN21</lei>
        <title>Unconstrained Total Return Fund</title>
        <cusip>78250F679</cusip>
        <identifiers>
          <isin value="US78250F6795"/>
        </identifiers>
        <balance>1712031.25100000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
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        <pctVal>1.995949710818</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>1078861.78200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>28147503.89000000</valUSD>
        <pctVal>3.892693589829</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>6782621.65500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>57855762.72000000</valUSD>
        <pctVal>8.001233699263</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>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>
