<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/seventeenafiler" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>X-17A-5</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <filerCik>0001546132</filerCik>
          <filerCcc>XXXXXXXX</filerCcc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <returnCopyFlag>true</returnCopyFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
    </filerInfo>
  </headerData>
  <formData>
    <submissionInformation>
      <periodBegin>07-01-2025</periodBegin>
      <periodEnd>06-30-2026</periodEnd>
      <typeOfRegistrant>
        <typeOfBDRegistrant>Broker-dealer</typeOfBDRegistrant>
      </typeOfRegistrant>
      <materialWeakness>N</materialWeakness>
    </submissionInformation>
    <registrantIdentification>
      <brokerDealerName>HARKEN CAPITAL SECURITIES, LLC</brokerDealerName>
      <businessAddress>
        <com:street1>16 ANN VINAL ROAD</com:street1>
        <com:city>SCITUATE</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02066</com:zipCode>
      </businessAddress>
      <contactPersonName>Donald Nelson</contactPersonName>
      <contactPersonPhoneNumber>617-899-2048</contactPersonPhoneNumber>
    </registrantIdentification>
    <accountantIdentification>
      <accountantName>Byrne &amp; Company</accountantName>
      <accountantAddress>
        <com:street1>510 Jasmine Avenue</com:street1>
        <com:city>Corona Del Mar</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>92625</com:zipCode>
      </accountantAddress>
      <accountantType>Certified Public Accountant</accountantType>
    </accountantIdentification>
    <oathSignature>
      <signPersonName>Donald Nelson</signPersonName>
      <entityName>HARKEN CAPITAL SECURITIES, LLC</entityName>
      <signDate>06-30-2026</signDate>
      <signature>Donald Nelson</signature>
      <oathTitle>Managing Director, CEO</oathTitle>
    </oathSignature>
  </formData>
</edgarSubmission>
