<SEC-DOCUMENT>0001140361-14-016862.txt : 20140416
<SEC-HEADER>0001140361-14-016862.hdr.sgml : 20140416
<ACCEPTANCE-DATETIME>20140416141412
ACCESSION NUMBER:		0001140361-14-016862
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140414
FILED AS OF DATE:		20140416
DATE AS OF CHANGE:		20140416

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANGIODYNAMICS INC
		CENTRAL INDEX KEY:			0001275187
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				113146460
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		14 PLAZA DRIVE
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110
		BUSINESS PHONE:		5187981215

	MAIL ADDRESS:	
		STREET 1:		14 PLAZA DRIVE
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kapusta Matthew C
		CENTRAL INDEX KEY:			0001536290

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50761
		FILM NUMBER:		14767299

	MAIL ADDRESS:	
		STREET 1:		7358 MCVAY ROAD
		CITY:			GERMANTOWN
		STATE:			TN
		ZIP:			38138
</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>2014-04-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001275187</issuerCik>
        <issuerName>ANGIODYNAMICS INC</issuerName>
        <issuerTradingSymbol>ANGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001536290</rptOwnerCik>
            <rptOwnerName>Kapusta Matthew C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7358 MCVAY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GERMANTOWN</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>38138</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Business Development</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-04-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.90</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27005</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 911 shares acquired under the AngioDynamics, Inc. Employee Stock Purchase Plan on February 28, 2013, 971 shares acquired under the AngioDynamics, Inc. Employee Stock Purchase Plan on August 30, 2013 and 965 shares acquired under the AngioDynamics, Inc. Employee Stock Purchase Plan on February 28, 2014.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stephen A. Trowbridge, Attorney in Fact</signatureName>
        <signatureDate>2014-04-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
