<?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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    <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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      <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>2020-01-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>16030067.35</totAssets>
      <totLiabs>0.00</totLiabs>
      <netAssets>16030067.35</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="2.65000000" rtn2="2.44000000" rtn3="-0.68000000"/>
        </monthlyTotReturns>
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        <othMon2 netRealizedGain="4965.81000000" netUnrealizedAppr="-135764.97000000"/>
        <othMon3 netRealizedGain="53872.22000000" netUnrealizedAppr="-156760.94000000"/>
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      <mon3Flow redemption="285951.00000000" reinvestment="0.00000000" sales="204449.49000000"/>

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        <fairValLevel>1</fairValLevel>
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        <name>Harbor Strategic Growth Fund</name>
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      </invstOrSec>
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        <name>Harbor Large Cap Value Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Small Cap Growth Fund</name>
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      <invstOrSec>
        <name>Harbor Mid Cap Growth Fund</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
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        <name>Harbor Small Cap Value Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Diversified International All Cap Fund</name>
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        <name>Harbor International Growth Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor High-Yield Bond Fund</name>
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        <balance>108923.06200000</balance>
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        <name>Harbor Mid Cap Value Fund</name>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor High-Yield Opportunities Fund</name>
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        <title>Harbor High-Yield Opportunities Fund</title>
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        <fairValLevel>1</fairValLevel>
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        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-02-27</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>
  <documents>XXXX</documents>
</edgarSubmission>
