<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/rega/onekfiler" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>1-K</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0002056463</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <shellCompanyFlag>N</shellCompanyFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <successorFilingFlag>N</successorFilingFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <reportingPeriod>12-31-2025</reportingPeriod>
    </filerInfo>
  </headerData>
  <formData>
    <item1>
      <formIndication>Annual Report</formIndication>
      <fiscalYearEnd>12-31-2025</fiscalYearEnd>
      <street1>6501 N CEDAR ROAD</street1>
      <street2>BUILDING 4, SUITE C</street2>
      <city>SPOKANE</city>
      <stateOrCountry>WA</stateOrCountry>
      <zipCode>99208</zipCode>
      <phoneNumber>509-210-7188</phoneNumber>
      <issuedSecuritiesTitle>Share Class Units of Membership Interest</issuedSecuritiesTitle>
    </item1>
    <item1Info>
      <issuerName>Hartley Opportunity Fund LLC</issuerName>
      <cik>0002056463</cik>
      <jurisdictionOrganization>DE</jurisdictionOrganization>
      <irsNum>33-2364939</irsNum>
    </item1Info>
    <item2>
      <regArule257>true</regArule257>
    </item2>
  </formData>
</edgarSubmission>