<?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>0000893818</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000069128</seriesId>
        <classId>C000220948</classId>
        <classId>C000220947</classId>
        <classId>C000220949</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>BlackRock Funds III</regName>
      <regFileNumber>811-07332</regFileNumber>
      <regCik>0000893818</regCik>
      <regLei>5493008LW2651I1QB503</regLei>
      <regStreet1>100 Bellevue Parkway</regStreet1>
      <regCity>Wilmington</regCity>
      <regStateConditional regCountry="US" regState="US-DE"/>
      <regZipOrPostalCode>19809</regZipOrPostalCode>
      <regPhone>800-441-7762</regPhone>
      <seriesName>BlackRock LifePath ESG Index 2045 Fund</seriesName>
      <seriesId>S000069128</seriesId>
      <seriesLei>549300YKZ3O68TTJNQ09</seriesLei>
      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>36656346.87</totAssets>
      <totLiabs>12551237.39</totLiabs>
      <netAssets>24105109.48</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>
      <borrowers>
        <borrower aggrVal="2321961.00000000" lei="549300HN4UKV1E2R3U73" name="BofA Securities, Inc."/>
        <borrower aggrVal="1147519.16000000" lei="549300LCO2FLSSVFFR64" name="RBC Capital Markets LLC"/>
        <borrower aggrVal="313478.30000000" lei="VYVVCKR63DVZZN70PB21" name="Wells Fargo Securities LLC"/>
        <borrower aggrVal="2382474.00000000" lei="ZBUT11V806EZRVTWT807" name="JP MORGAN SECURITIES LLC"/>
      </borrowers>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000220948" rtn1="1.72000000" rtn2="-5.72000000" rtn3="8.12000000"/>
          <monthlyTotReturn classId="C000220947" rtn1="1.72000000" rtn2="-5.73000000" rtn3="8.07000000"/>
          <monthlyTotReturn classId="C000220949" rtn1="1.71000000" rtn2="-5.72000000" rtn3="8.11000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="6597.39000000" netUnrealizedAppr="368452.46000000"/>
        <othMon2 netRealizedGain="-1524.00000000" netUnrealizedAppr="-1343252.95000000"/>
        <othMon3 netRealizedGain="-7528.15000000" netUnrealizedAppr="1763211.20000000"/>
      </returnInfo>
      <mon1Flow redemption="137352.73000000" reinvestment="0.00000000" sales="561892.82000000"/>
      <mon2Flow redemption="263998.82000000" reinvestment="0.00000000" sales="417528.09000000"/>
      <mon3Flow redemption="259327.36000000" reinvestment="0.00000000" sales="864461.44000000"/>



    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>iShares ESG Aware MSCI EAFE ETF</name>
        <lei>549300IT2A3OM8F0BB22</lei>
        <title>iShares ESG Aware MSCI EAFE ETF</title>
        <cusip>46435G516</cusip>
        <identifiers>
          <isin value="US46435G5163"/>
        </identifiers>
        <balance>38992.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3941311.36000000</valUSD>
        <pctVal>16.35052254489</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>iShares ESG Aware U.S. Aggregate Bond ETF</name>
        <lei>549300ZH4AMJV5ZGCV06</lei>
        <title>iShares ESG Aware U.S. Aggregate Bond ETF</title>
        <cusip>46435U549</cusip>
        <identifiers>
          <isin value="US46435U5496"/>
        </identifiers>
        <balance>56802.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2696958.96000000</valUSD>
        <pctVal>11.18832902309</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="2003656.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares ESG Aware MSCI USA ETF</name>
        <lei>549300N2OW8SZV95FP93</lei>
        <title>iShares ESG Aware MSCI USA ETF</title>
        <cusip>46435G425</cusip>
        <identifiers>
          <isin value="US46435G4257"/>
        </identifiers>
        <balance>68520.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10730232.00000000</valUSD>
        <pctVal>44.51434667369</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="62640.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
        <lei>5493007YPFO23SID2674</lei>
        <title>iShares MSCI Emerging Markets Small-Cap ETF</title>
        <cusip>464286475</cusip>
        <identifiers>
          <isin value="US4642864759"/>
        </identifiers>
        <balance>4290.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>329734.12000000</valUSD>
        <pctVal>1.367901358314</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>BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES</name>
        <lei>5493008LW2651I1QB503</lei>
        <title>BlackRock Cash Funds: Treasury, SL Agency Shares</title>
        <cusip>066922477</cusip>
        <identifiers>
          <isin value="US0669224778"/>
        </identifiers>
        <balance>86489.13000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>86489.13000000</valUSD>
        <pctVal>0.358799988325</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</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>iShares MSCI EAFE Small-Cap ETF</name>
        <lei>549300MJV5OZGVS4LX86</lei>
        <title>iShares MSCI EAFE Small-Cap ETF</title>
        <cusip>464288273</cusip>
        <identifiers>
          <isin value="US4642882736"/>
        </identifiers>
        <balance>7917.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>661782.03000000</valUSD>
        <pctVal>2.745401469962</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="660361.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares ESG Aware MSCI EM ETF</name>
        <lei>549300JES9K0OUJ8F389</lei>
        <title>iShares ESG Aware MSCI EM ETF</title>
        <cusip>46434G863</cusip>
        <identifiers>
          <isin value="US46434G8630"/>
        </identifiers>
        <balance>42834.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2190530.76000000</valUSD>
        <pctVal>9.087412616057</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="2188536.30000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Funds III</name>
        <lei>5493008LW2651I1QB503</lei>
        <title>BlackRock Cash Funds: Institutional, SL Agency Shares</title>
        <cusip>066922519</cusip>
        <identifiers>
          <isin value="US0669225197"/>
        </identifiers>
        <balance>6261101.28000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6262979.61000000</valUSD>
        <pctVal>25.98195878428</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="6262979.61000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares ESG Aware MSCI USA Small-Cap ETF</name>
        <lei>549300V3IZTYAHR0WL12</lei>
        <title>iShares ESG Aware MSCI USA Small-Cap ETF</title>
        <cusip>46435U663</cusip>
        <identifiers>
          <isin value="US46435U6635"/>
        </identifiers>
        <balance>23955.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1230328.80000000</valUSD>
        <pctVal>5.104016644358</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="523872.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares TIPS Bond ETF</name>
        <lei>549300EHD1VQKMRQ0829</lei>
        <title>iShares TIPS Bond ETF</title>
        <cusip>464287176</cusip>
        <identifiers>
          <isin value="US4642871762"/>
        </identifiers>
        <balance>6621.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>738638.76000000</valUSD>
        <pctVal>3.064241465540</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="726367.16000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI Canada ETF</name>
        <lei>549300DXCD53F4JK3H45</lei>
        <title>iShares MSCI Canada ETF</title>
        <cusip>464286509</cusip>
        <identifiers>
          <isin value="US4642865095"/>
        </identifiers>
        <balance>9628.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>564200.80000000</valUSD>
        <pctVal>2.340585926266</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>iShares Developed Real Estate Index Fund</name>
        <lei>549300CCO72SBIYZNP24</lei>
        <title>iShares Developed Real Estate Index Fund</title>
        <cusip>091936187</cusip>
        <identifiers>
          <isin value="US0919361875"/>
        </identifiers>
        <balance>106017.85000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>942498.69000000</valUSD>
        <pctVal>3.909953990385</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="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>



    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-05-26</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds III</ncom:nameOfApplicant>
      <ncom:signature>Chuck Pulsfort</ncom:signature>
      <ncom:signerName>Chuck Pulsfort</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
