<?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>0000793769</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000024701</seriesId>
        <classId>C000073340</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>HARBOR FUNDS</regName>
      <regFileNumber>811-04676</regFileNumber>
      <regCik>0000793769</regCik>
      <regLei>549300YJH4HL5M6WFP75</regLei>
      <regStreet1>111 SOUTH WACKER DRIVE</regStreet1>
      <regStreet2>34TH FLOOR</regStreet2>
      <regCity>CHICAGO</regCity>
      <regStateConditional regCountry="US" regState="US-IL"/>
      <regZipOrPostalCode>60606</regZipOrPostalCode>
      <regPhone>312-443-4400</regPhone>
      <seriesName>Harbor Target Retirement 2020 Fund</seriesName>
      <seriesId>S000024701</seriesId>
      <seriesLei>549300VEKH2ISL0SOD81</seriesLei>
      <repPdEnd>2020-10-31</repPdEnd>
      <repPdDate>2020-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>22829514.08</totAssets>
      <totLiabs>0.00</totLiabs>
      <netAssets>22829514.08</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>0.01000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000073340" rtn1="-1.93000000" rtn2="-7.89000000" rtn3="5.19000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="51001.26000000" netUnrealizedAppr="-520117.55000000"/>
        <othMon2 netRealizedGain="-363106.62000000" netUnrealizedAppr="-1686726.98000000"/>
        <othMon3 netRealizedGain="-143239.70000000" netUnrealizedAppr="1280685.62000000"/>
      </returnInfo>
      <mon1Flow redemption="799687.62000000" reinvestment="0.00000000" sales="256512.56000000"/>
      <mon2Flow redemption="846630.70000000" reinvestment="0.00000000" sales="394516.49000000"/>
      <mon3Flow redemption="429516.88000000" reinvestment="0.00000000" sales="135986.43000000"/>

    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Harbor Mid Cap Growth Fund</name>
        <lei>RWZ6WJDD8TTUVKZ7EV33</lei>
        <title>Harbor Mid Cap Growth Fund</title>
        <cusip>411511876</cusip>
        <identifiers>
          <isin value="US4115118766"/>
        </identifiers>
        <balance>50542.10900000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>462460.30000000</valUSD>
        <pctVal>2.025712410607</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>Harbor Mid Cap Value Fund</name>
        <lei>549300R6TKDCNFO4ID16</lei>
        <title>Harbor Mid Cap Value Fund</title>
        <cusip>411511835</cusip>
        <identifiers>
          <isin value="US4115118352"/>
        </identifiers>
        <balance>45226.16200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>664372.32000000</valUSD>
        <pctVal>2.910146565852</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>Harbor Capital Appreciation Fund</name>
        <lei>5493004K926OXGBXZ171</lei>
        <title>Harbor Capital Appreciation Fund</title>
        <cusip>411511504</cusip>
        <identifiers>
          <isin value="US4115115044"/>
        </identifiers>
        <balance>5683.72200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>436737.20000000</valUSD>
        <pctVal>1.913037651478</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>Harbor International Fund</name>
        <lei>5493008KVCTHV19OZJ47</lei>
        <title>Harbor International Fund</title>
        <cusip>411511306</cusip>
        <identifiers>
          <isin value="US4115113064"/>
        </identifiers>
        <balance>26570.36500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>854502.94000000</valUSD>
        <pctVal>3.742974716875</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>Harbor High-Yield Opportunities Fund</name>
        <lei>5493004FXD284JHTF064</lei>
        <title>Harbor High-Yield Opportunities Fund</title>
        <cusip>411512270</cusip>
        <identifiers>
          <isin value="US4115122701"/>
        </identifiers>
        <balance>190927.19100000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1676340.74000000</valUSD>
        <pctVal>7.342866493459</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>Harbor Small Cap Growth Fund</name>
        <lei>549300KD5PGWYHZKQY87</lei>
        <title>Harbor Small Cap Growth Fund</title>
        <cusip>411511868</cusip>
        <identifiers>
          <isin value="US4115118683"/>
        </identifiers>
        <balance>33461.27600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>413246.76000000</valUSD>
        <pctVal>1.810142601160</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>Harbor Diversified International All Cap Fund</name>
        <lei>549300CMUJRDGM6BK795</lei>
        <title>Harbor Diversified International All Cap Fund</title>
        <cusip>411512593</cusip>
        <identifiers>
          <isin value="US4115125936"/>
        </identifiers>
        <balance>94218.86700000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>855507.31000000</valUSD>
        <pctVal>3.747374153484</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>Harbor International Growth Fund</name>
        <lei>549300HNBVPAFNID0H40</lei>
        <title>Harbor International Growth Fund</title>
        <cusip>411511801</cusip>
        <identifiers>
          <isin value="US4115118014"/>
        </identifiers>
        <balance>57687.51400000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>853775.21000000</valUSD>
        <pctVal>3.739787044998</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>Harbor Bond Fund</name>
        <lei>EOW1NK32RWEIMTVXK597</lei>
        <title>Harbor Bond Fund</title>
        <cusip>411511108</cusip>
        <identifiers>
          <isin value="US4115111084"/>
        </identifiers>
        <balance>422499.87600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5116473.50000000</valUSD>
        <pctVal>22.41166186047</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>Harbor Core Bond Fund</name>
        <lei>549300WRSFJ5U4S4L290</lei>
        <title>Harbor Core Bond Fund</title>
        <cusip>411512239</cusip>
        <identifiers>
          <isin value="US4115122396"/>
        </identifiers>
        <balance>469832.27500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5111775.15000000</valUSD>
        <pctVal>22.39108170277</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>Harbor High-Yield Bond Fund</name>
        <lei>549300SSUUJS0QHFNW38</lei>
        <title>Harbor High-Yield Bond Fund</title>
        <cusip>411511553</cusip>
        <identifiers>
          <isin value="US4115115531"/>
        </identifiers>
        <balance>280199.16000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2516188.46000000</valUSD>
        <pctVal>11.02164702753</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>Harbor Global Leaders Fund</name>
        <lei>549300BQ58O1XIO4RH40</lei>
        <title>Harbor Global Leaders Fund</title>
        <cusip>411512874</cusip>
        <identifiers>
          <isin value="US4115128740"/>
        </identifiers>
        <balance>12229.31000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>346334.06000000</valUSD>
        <pctVal>1.517045254604</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>Harbor Small Cap Value Fund</name>
        <lei>549300BMNZ7FQNB0TW37</lei>
        <title>Harbor Small Cap Value Fund</title>
        <cusip>411511843</cusip>
        <identifiers>
          <isin value="US4115118436"/>
        </identifiers>
        <balance>18113.16500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>499923.35000000</valUSD>
        <pctVal>2.189811610742</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>Harbor Strategic Growth Fund</name>
        <lei>5493003UB4GWIOSAIR61</lei>
        <title>Harbor Strategic Growth Fund</title>
        <cusip>411512353</cusip>
        <identifiers>
          <isin value="US4115123535"/>
        </identifiers>
        <balance>19869.45000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>427789.26000000</valUSD>
        <pctVal>1.873843037135</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>Harbor Large Cap Value Fund</name>
        <lei>549300TQZYQMDHTT8E29</lei>
        <title>Harbor Large Cap Value Fund</title>
        <cusip>411511603</cusip>
        <identifiers>
          <isin value="US4115116034"/>
        </identifiers>
        <balance>67303.47900000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1003494.87000000</valUSD>
        <pctVal>4.395603281276</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>Harbor Money Market Fund</name>
        <lei>549300I86OK7MZOZ3E63</lei>
        <title>Harbor Money Market Fund</title>
        <cusip>411511405</cusip>
        <identifiers>
          <isin value="US4115114054"/>
        </identifiers>
        <balance>1589601.63000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1589601.63000000</valUSD>
        <pctVal>6.962923627851</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>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-05-26</ncom:dateSigned>
      <ncom:nameOfApplicant>HARBOR FUNDS</ncom:nameOfApplicant>
      <ncom:signature>Gregg Boland</ncom:signature>
      <ncom:signerName>Gregg Boland</ncom:signerName>
      <ncom:title>President, Harbor Services Group</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
