<?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">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001640102</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000050189</seriesId>
        <classId>C000158436</classId>
        <classId>C000158438</classId>
        <classId>C000158439</classId>
        <classId>C000158440</classId>
        <classId>C000180022</classId>
        <classId>C000158441</classId>
        <classId>C000158442</classId>
        <classId>C000158443</classId>
        <classId>C000158444</classId>
        <classId>C000158445</classId>
        <classId>C000158446</classId>
        <classId>C000164838</classId>
        <classId>C000158447</classId>
        <classId>C000189478</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>American Funds Retirement Income Portfolio Series</regName>
      <regFileNumber>811-23053</regFileNumber>
      <regCik>0001640102</regCik>
      <regLei>5493000NXS6RW8ZBV826</regLei>
      <regStreet1>6455 Irvine Center Drive</regStreet1>
      <regCity>Irvine</regCity>
      <regStateConditional regCountry="US" regState="US-CA"/>
      <regZipOrPostalCode>92618</regZipOrPostalCode>
      <regPhone>9499755000</regPhone>
      <seriesName>American Funds Retirement Income Portfolio - Moderate</seriesName>
      <seriesId>S000050189</seriesId>
      <seriesLei>5493003HJZSBFAGRKT61</seriesLei>
      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-01-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>1696024607.730000000000</totAssets>
      <totLiabs>907146.710000000000</totLiabs>
      <netAssets>1695117461.020000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.000000000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.000000000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.000000000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.000000000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.000000000000</amtPayAftOneYrOther>
      <delayDeliv>0.000000000000</delayDeliv>
      <standByCommit>0.000000000000</standByCommit>
      <liquidPref>0.000000000000</liquidPref>
      <cshNotRptdInCorD>0.000000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000158436" rtn1="1.659350000000" rtn2="0.3535219900000000" rtn3="2.3488740000000000"/>
          <monthlyTotReturn classId="C000158438" rtn1="1.594527990000" rtn2="0.2219600000000000" rtn3="2.2857019900000000"/>
          <monthlyTotReturn classId="C000158439" rtn1="1.658180000000" rtn2="0.3481489900000000" rtn3="2.3483600000000000"/>
          <monthlyTotReturn classId="C000158440" rtn1="1.727522000000" rtn2="0.3507049900000000" rtn3="2.3442200000000000"/>
          <monthlyTotReturn classId="C000158441" rtn1="1.594916000000" rtn2="0.2334150000000000" rtn3="2.2881860000000000"/>
          <monthlyTotReturn classId="C000158442" rtn1="1.592632990000" rtn2="0.3208920000000000" rtn3="2.2831819900000000"/>
          <monthlyTotReturn classId="C000158443" rtn1="1.655527990000" rtn2="0.2510600000000000" rtn3="2.3442200000000000"/>
          <monthlyTotReturn classId="C000158444" rtn1="1.663641990000" rtn2="0.2806100000000000" rtn3="2.3553439900000000"/>
          <monthlyTotReturn classId="C000158445" rtn1="1.659350000000" rtn2="0.2825630000000000" rtn3="2.4241499900000000"/>
          <monthlyTotReturn classId="C000158446" rtn1="1.651808000000" rtn2="0.3564799900000000" rtn3="2.4116990000000000"/>
          <monthlyTotReturn classId="C000158447" rtn1="1.725987990000" rtn2="0.3723140000000000" rtn3="2.3419880000000000"/>
          <monthlyTotReturn classId="C000164838" rtn1="1.656906000000" rtn2="0.3604159900000000" rtn3="2.4217280000000000"/>
          <monthlyTotReturn classId="C000180022" rtn1="1.730278000000" rtn2="0.3740460000000000" rtn3="2.3483600000000000"/>
          <monthlyTotReturn classId="C000189478" rtn1="1.658180000000" rtn2="0.3671419900000000" rtn3="2.3488740000000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="232348.38" netUnrealizedAppr="25480620.89"/>
        <othMon2 netRealizedGain="63069508.5" netUnrealizedAppr="-74421638.96"/>
        <othMon3 netRealizedGain="1035345.01" netUnrealizedAppr="36810630.06"/>
      </returnInfo>
      <mon1Flow redemption="14401788.0500" reinvestment="14.7400" sales="16433442.8800"/>
      <mon2Flow redemption="23144816.6500" reinvestment="60567523.3400" sales="15345070.5200"/>
      <mon3Flow redemption="23915363.2300" reinvestment="48.0300" sales="26725587.1600"/>

    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>CAPITAL INCOME BUILDER (CIB)</name>
        <lei>N/A</lei>
        <title>CAPITAL INCOME BUILDER R6 (CIB CL R6)</title>
        <cusip>140193822</cusip>
        <identifiers>
          <isin value="US1401938220"/>
          <ticker value="RIRGX"/>
          <other otherDesc="CG Symbol" value="RIRGX"/>
        </identifiers>
        <balance>3848174.834999999963</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>305391154.910000026226</valUSD>
        <pctVal>18.0159288033</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>AMERICAN BALANCED FUND (AMBAL)</name>
        <lei>N/A</lei>
        <title>AMERICAN BALANCED FUND R6 (AMBAL CL R6)</title>
        <cusip>024071813</cusip>
        <identifiers>
          <isin value="US0240718132"/>
          <ticker value="RLBGX"/>
          <other otherDesc="CG Symbol" value="RLBGX"/>
        </identifiers>
        <balance>6582898.691999999806</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>253441599.639999985695</valUSD>
        <pctVal>14.9512706622</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>AMERICAN FUNDS MULTI-SECTOR INCOME FUND (MSI)</name>
        <lei>N/A</lei>
        <title>AMERICAN FUNDS MULTI-SECTOR INCOME FUND CL R6 (MSI-R6)</title>
        <cusip>02631W771</cusip>
        <identifiers>
          <isin value="US02631W7719"/>
          <ticker value="RMDUX"/>
          <other otherDesc="CG Symbol" value="RMDUX"/>
        </identifiers>
        <balance>16115268.958000000566</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>152772749.719999998808</valUSD>
        <pctVal>9.0125170222</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>AMERICAN MUTUAL FUND (AMF)</name>
        <lei>N/A</lei>
        <title>AMERICAN MUTUAL FUND R6 (AMF CL R6)</title>
        <cusip>027681816</cusip>
        <identifiers>
          <isin value="US0276818160"/>
          <ticker value="RMFGX"/>
          <other otherDesc="CG Symbol" value="RMFGX"/>
        </identifiers>
        <balance>1394491.757999999914</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>84757209.049999997020</valUSD>
        <pctVal>5.0000788145</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>CAPITAL WORLD GROWTH &amp; INCOME FUND</name>
        <lei>N/A</lei>
        <title>CAPITAL WORLD GROWTH AND INCOME FUND R6 (WGI CL R6)</title>
        <cusip>140543810</cusip>
        <identifiers>
          <isin value="US1405438102"/>
          <ticker value="RWIGX"/>
          <other otherDesc="CG Symbol" value="RWIGX"/>
        </identifiers>
        <balance>1567588.175999999978</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>117757223.780000001192</valUSD>
        <pctVal>6.9468474302</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>AMERICAN FUNDS GLOBAL BALANCED FUND (GBAL)</name>
        <lei>N/A</lei>
        <title>AMERICAN FUNDS GLOBAL BALANCED FUND R6 (GBAL CL R6)</title>
        <cusip>02629W817</cusip>
        <identifiers>
          <isin value="US02629W8174"/>
          <ticker value="RGBGX"/>
          <other otherDesc="CG Symbol" value="RGBGX"/>
        </identifiers>
        <balance>2042386.516999999993</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>84391410.879999995232</valUSD>
        <pctVal>4.9784992970</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 GOVERNMENT SECURITIES FUND (GVT)</name>
        <lei>N/A</lei>
        <title>U S GOVERNMENT SECURITIES FUND R6 (GVT CL R6)</title>
        <cusip>026300814</cusip>
        <identifiers>
          <isin value="US0263008148"/>
          <ticker value="RGVGX"/>
          <other otherDesc="CG Symbol" value="RGVGX"/>
        </identifiers>
        <balance>9822344.406999999657</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>118948590.769999995828</valUSD>
        <pctVal>7.0171296978</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>INCOME FUND OF AMERICA (THE) (IFA)</name>
        <lei>N/A</lei>
        <title>INCOME FUND OF AMERICA (THE) R6 (IFA CL R6)</title>
        <cusip>453320814</cusip>
        <identifiers>
          <isin value="US4533208140"/>
          <ticker value="RIDGX"/>
          <other otherDesc="CG Symbol" value="RIDGX"/>
        </identifiers>
        <balance>12499195.162000000477</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>338478204.990000009537</valUSD>
        <pctVal>19.9678318921</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>AMERICAN FUNDS STRATEGIC BOND FUND (SBF)</name>
        <lei>N/A</lei>
        <title>AMERICAN FUNDS STRATEGIC BOND FUND R6 (SBF CL R6)</title>
        <cusip>02631E789</cusip>
        <identifiers>
          <isin value="US02631E7893"/>
          <ticker value="RANGX"/>
          <other otherDesc="CG Symbol" value="RANGX"/>
        </identifiers>
        <balance>10869502.658999999985</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>102064629.969999998808</valUSD>
        <pctVal>6.0210948396</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>BOND FUND OF AMERICA (THE) (BFA)</name>
        <lei>N/A</lei>
        <title>BOND FUND OF AMERICA (THE) R6 (BFA CL R6)</title>
        <cusip>097873814</cusip>
        <identifiers>
          <isin value="US0978738146"/>
          <ticker value="RBFGX"/>
          <other otherDesc="CG Symbol" value="RBFGX"/>
        </identifiers>
        <balance>11882976.100999999791</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>135941246.599999994040</valUSD>
        <pctVal>8.0195767978</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>
    <signature>
      <ncom:dateSigned>2026-03-30</ncom:dateSigned>
      <ncom:nameOfApplicant>American Funds Retirement Income Portfolio Series</ncom:nameOfApplicant>
      <ncom:signature>Scott Lewis</ncom:signature>
      <ncom:signerName>Scott Lewis</ncom:signerName>
      <ncom:title>Compliance Specialist Senior</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
