<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001407469</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001448397</issuerCik>
<issuerName>Seanergy Maritime Holdings Corp.</issuerName>
<secFileNumber>001-34848</secFileNumber>
<issuerAddress>
<com:street1>154 VOULIAGMENIS AVENUE</com:street1>
<com:street2>GLYFADA</com:street2>
<com:city>ATHENS</com:city>
<com:stateOrCountry>J3</com:stateOrCountry>
<com:zipCode>16674</com:zipCode>
</issuerAddress>
<issuerContactPhone>30 210 8913507</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Elias Culucundis</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Director</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Common</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>EFG Bank</name>
<address>
<com:street1>(Luxembourg) SA 56</com:street1>
<com:city>Grand Rue</com:city>
<com:stateOrCountry>N4</com:stateOrCountry>
<com:zipCode>L-2013</com:zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>30000</noOfUnitsSold>
<aggregateMarketValue>331500</aggregateMarketValue>
<noOfUnitsOutstanding>21114098</noOfUnitsOutstanding>
<approxSaleDate>02/25/2026</approxSaleDate>
<securitiesExchangeName>NASDAQ</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Common</securitiesClassTitle>
<acquiredDate>03/27/2024</acquiredDate>
<natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Seanergy Maritime Holdings Corp.</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>10000</amountOfSecuritiesAcquired>
<paymentDate>03/27/2024</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common</securitiesClassTitle>
<acquiredDate>03/27/2023</acquiredDate>
<natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Seanergy Maritime Holdings Corp.</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
<paymentDate>03/27/2023</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<noticeSignature>
<noticeDate>02/24/2026</noticeDate>
<signature>/s/ Elias Culucundis</signature>
</noticeSignature>
</formData>
</edgarSubmission>
