<SEC-DOCUMENT>0000859598-15-000122.txt : 20150630
<SEC-HEADER>0000859598-15-000122.hdr.sgml : 20150630
<ACCEPTANCE-DATETIME>20150630163213
ACCESSION NUMBER:		0000859598-15-000122
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150626
FILED AS OF DATE:		20150630
DATE AS OF CHANGE:		20150630

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DORIAN LPG LTD.
		CENTRAL INDEX KEY:			0001596993
		STANDARD INDUSTRIAL CLASSIFICATION:	DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			1T
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		27 SIGNAL ROAD
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06878
		BUSINESS PHONE:		203-978-1234

	MAIL ADDRESS:	
		STREET 1:		27 SIGNAL ROAD
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06878

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEACOR HOLDINGS INC /NEW/
		CENTRAL INDEX KEY:			0000859598
		STANDARD INDUSTRIAL CLASSIFICATION:	DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36437
		FILM NUMBER:		15961760

	BUSINESS ADDRESS:	
		STREET 1:		2200 ELLER DRIVE
		STREET 2:		PO BOX 13038
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33316
		BUSINESS PHONE:		954 523-2200

	MAIL ADDRESS:	
		STREET 1:		2200 ELLER DRIVE
		STREET 2:		PO BOX 13038
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33316

	FORMER NAME:	
		FORMER CONFORMED NAME:	SEACOR SMIT INC
		DATE OF NAME CHANGE:	19970515

	FORMER NAME:	
		FORMER CONFORMED NAME:	SEACOR HOLDINGS INC
		DATE OF NAME CHANGE:	19950327

	FORMER NAME:	
		FORMER CONFORMED NAME:	SEACORE HOLDINGS INC
		DATE OF NAME CHANGE:	19950313
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_143569632339384.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-06-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001596993</issuerCik>
        <issuerName>DORIAN LPG LTD.</issuerName>
        <issuerTradingSymbol>LPG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000859598</rptOwnerCik>
            <rptOwnerName>SEACOR HOLDINGS INC /NEW/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2200 ELLER DRIVE, PO BOX 13038</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FORT LAUDERDALE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33316</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Dorian Common shares, $0.01 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2015-06-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>150000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.34</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9177135</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See FN</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">SeaDor Holdings LLC, a subsidiary of SEACOR Holdings Inc., directly owns the shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Lisa Manekin, Treasurer</signatureName>
        <signatureDate>2015-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
