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    <schemaVersion>X0707</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001092289</cik>
        <entityName>TRANSATLANTIC PETROLEUM LTD.</entityName>
        <issuerAddress>
            <street1>16803 DALLAS PARKWAY</street1>
            <city>ADDISON</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>75001</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>214-220-4323</issuerPhoneNumber>
        <jurisdictionOfInc>BERMUDA</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>TRANSATLANTIC PETROLEUM CORP.</previousName>
            <previousName>TRANSATLANTIC PETROLEUM CORP</previousName>
        </edgarPreviousNameList>
        <entityType>Other</entityType>
        <entityTypeOtherDesc>Bermuda Exempted Company with Limited Liability</entityTypeOtherDesc>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N.</firstName>
                <middleName>Malone</middleName>
                <lastName>Mitchell, 3rd</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification>Chairman of the Board of Directors and Chief Executive Officer of the Issuer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Todd</firstName>
                <middleName>C.</middleName>
                <lastName>Dutton</lastName>
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                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification>President of the Issuer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>James</firstName>
                <middleName>R.</middleName>
                <lastName>Huling</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Operating Officer of the Issuer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Matthew</firstName>
                <middleName>W.</middleName>
                <lastName>McCann</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Counsel and Corporate Secretary of the Issuer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Harold</firstName>
                <middleName>L.</middleName>
                <lastName>Muncy</lastName>
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                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Vice President, Geosciences of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Wil</firstName>
                <middleName>F.</middleName>
                <lastName>Saqueton</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification>Vice President and Chief Financial Officer of the Issuer</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brian</firstName>
                <middleName>E.</middleName>
                <lastName>Bayley</lastName>
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                <stateOrCountry>TX</stateOrCountry>
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                <zipCode>75001</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mel</firstName>
                <middleName>G.</middleName>
                <lastName>Riggs</lastName>
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                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
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                <zipCode>75001</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bob</firstName>
                <middleName>G.</middleName>
                <lastName>Alexander</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
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                <zipCode>75001</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Charles</firstName>
                <middleName>J.</middleName>
                <lastName>Campise</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Marlan</firstName>
                <middleName>W.</middleName>
                <lastName>Downey</lastName>
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            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gregory</firstName>
                <middleName>K.</middleName>
                <lastName>Renwick</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>16803 Dallas Parkway</street1>
                <city>Addison</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75001</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Oil and Gas</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06c</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2014-12-29</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Jeffrey Tabak</recipientName>
                <recipientCRDNumber>856416</recipientCRDNumber>
                <associatedBDName>Mitchell Securities, Inc.</associatedBDName>
                <associatedBDCRDNumber>29017</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>200 Park Avenue</street1>
                    <street2>Suite 1700</street2>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10166</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>FL</state>
                    <description>FLORIDA</description>
                    <state>NJ</state>
                    <description>NEW JERSEY</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>55000000</totalOfferingAmount>
            <totalAmountSold>47400000</totalAmountSold>
            <totalRemaining>7600000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>27</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>22750</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>9000000</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>Approximately $9.0 million of the net proceeds of the offering will be paid to an entity 50% indirectly owned by N. Malone Mitchell 3rd for drilling services incurred by a wholly owned subsidiary of the Issuer in the ordinary course of business.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>TRANSATLANTIC PETROLEUM LTD.</issuerName>
                <signatureName>/s/ Matthew W. McCann</signatureName>
                <nameOfSigner>Matthew W. McCann</nameOfSigner>
                <signatureTitle>General Counsel and Corporate Secretary of the Issuer</signatureTitle>
                <signatureDate>2015-01-09</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
