<SEC-DOCUMENT>0001567619-19-014738.txt : 20190712
<SEC-HEADER>0001567619-19-014738.hdr.sgml : 20190712
<ACCEPTANCE-DATETIME>20190712190948
ACCESSION NUMBER:		0001567619-19-014738
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190611
FILED AS OF DATE:		20190712
DATE AS OF CHANGE:		20190712

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MEIER RICHARD A
		CENTRAL INDEX KEY:			0001227305

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26727
		FILM NUMBER:		19953831

	MAIL ADDRESS:	
		STREET 1:		1700 E ST ANDREW PLACE
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92705

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOMARIN PHARMACEUTICAL INC
		CENTRAL INDEX KEY:			0001048477
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				680397820
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		105 DIGITAL DRIVE
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949
		BUSINESS PHONE:		4155066700

	MAIL ADDRESS:	
		STREET 1:		105 DIGITAL DRIVE
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-06-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001048477</issuerCik>
        <issuerName>BIOMARIN PHARMACEUTICAL INC</issuerName>
        <issuerTradingSymbol>BMRN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001227305</rptOwnerCik>
            <rptOwnerName>MEIER RICHARD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BIOMARIN PHARMACEUTICAL INC.</rptOwnerStreet1>
            <rptOwnerStreet2>105 DIGITAL DRIVE</rptOwnerStreet2>
            <rptOwnerCity>NOVATO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94949</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-06-11</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>80040</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction involved gifts of securities by the reporting person to irrevocable trusts for the benefit of the reporting person's children and for which the reporting person is not the trustee. The reporting person disclaims beneficial ownership of the shares held by such irrevocable trusts, and this report should not be deemed an admission that the reporting person is the beneficial owner of such shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Eric Fleekop, Attorney-in-Fact</signatureName>
        <signatureDate>2019-07-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
