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

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


      <seriesClassInfo>
        <seriesId>S000024706</seriesId>
        <classId>C000073355</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
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    <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 2045 Fund</seriesName>
      <seriesId>S000024706</seriesId>
      <seriesLei>549300TD0D0PZYMZVA96</seriesLei>
      <repPdEnd>2020-10-31</repPdEnd>
      <repPdDate>2020-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>14263423.41</totAssets>
      <totLiabs>0.00</totLiabs>
      <netAssets>14263423.41</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="C000073355" rtn1="-5.59000000" rtn2="-13.94000000" rtn3="9.48000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="47945.06000000" netUnrealizedAppr="-922119.60000000"/>
        <othMon2 netRealizedGain="-219958.73000000" netUnrealizedAppr="-1843345.91000000"/>
        <othMon3 netRealizedGain="-115196.03000000" netUnrealizedAppr="1343002.67000000"/>
      </returnInfo>
      <mon1Flow redemption="902095.41000000" reinvestment="0.00000000" sales="286288.50000000"/>
      <mon2Flow redemption="126202.73000000" reinvestment="0.00000000" sales="445471.53000000"/>
      <mon3Flow redemption="45545.13000000" reinvestment="0.00000000" sales="254914.00000000"/>

    </fundInfo>
    <invstOrSecs>
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        <name>Harbor Capital Appreciation Fund</name>
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        <title>Harbor Capital Appreciation Fund</title>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Core Bond Fund</name>
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        <curCd>USD</curCd>
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        <fairValLevel>1</fairValLevel>
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          <isNonCashCollateral>N</isNonCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor International Fund</name>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Diversified International All Cap Fund</name>
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        <title>Harbor Diversified International All Cap Fund</title>
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        <identifiers>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Harbor Global Leaders Fund</name>
        <lei>549300BQ58O1XIO4RH40</lei>
        <title>Harbor Global Leaders Fund</title>
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        <curCd>USD</curCd>
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        <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>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor International Growth Fund</name>
        <lei>549300HNBVPAFNID0H40</lei>
        <title>Harbor International Growth Fund</title>
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        <identifiers>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor High-Yield Bond Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Strategic Growth Fund</name>
        <lei>5493003UB4GWIOSAIR61</lei>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <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"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Mid Cap Growth Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Bond Fund</name>
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        <title>Harbor Bond Fund</title>
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        <curCd>USD</curCd>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Large Cap Value Fund</name>
        <lei>549300TQZYQMDHTT8E29</lei>
        <title>Harbor Large Cap Value Fund</title>
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          <isin value="US4115116034"/>
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        <balance>104218.49600000</balance>
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        <curCd>USD</curCd>
        <valUSD>1553897.78000000</valUSD>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Small Cap Growth Fund</name>
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        <title>Harbor Small Cap Growth Fund</title>
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        <balance>53425.74400000</balance>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Mid Cap Value Fund</name>
        <lei>549300R6TKDCNFO4ID16</lei>
        <title>Harbor Mid Cap Value Fund</title>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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        </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>
