<SEC-DOCUMENT>0001127602-17-024392.txt : 20170731
<SEC-HEADER>0001127602-17-024392.hdr.sgml : 20170731
<ACCEPTANCE-DATETIME>20170731172213
ACCESSION NUMBER:		0001127602-17-024392
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170727
FILED AS OF DATE:		20170731
DATE AS OF CHANGE:		20170731

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KROLL MARK W
		CENTRAL INDEX KEY:			0001259254

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14041
		FILM NUMBER:		17993829

	MAIL ADDRESS:	
		STREET 1:		PO BOX 23
		CITY:			CRYSTAL BAY
		STATE:			MN
		ZIP:			55323

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HAEMONETICS CORP
		CENTRAL INDEX KEY:			0000313143
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				042882273
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0328

	BUSINESS ADDRESS:	
		STREET 1:		400 WOOD RD
		CITY:			BRAINTREE
		STATE:			MA
		ZIP:			02184
		BUSINESS PHONE:		7818487100

	MAIL ADDRESS:	
		STREET 1:		400 WOOD ROAD
		CITY:			BRAINTREE
		STATE:			MA
		ZIP:			02184
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-07-27</periodOfReport>

    <issuer>
        <issuerCik>0000313143</issuerCik>
        <issuerName>HAEMONETICS CORP</issuerName>
        <issuerTradingSymbol>HAE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001259254</rptOwnerCik>
            <rptOwnerName>KROLL MARK W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 WOOD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BRAINTREE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02184</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-07-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4329</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26763</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock Unit grant which vests 100% on the first anniversary of the grant date.  Grant was made under 2005 Long Term Incentive Compensation Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Alexander P. Steffan, attorney-in-fact for Mr. Kroll</signatureName>
        <signatureDate>2017-07-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
