-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 C97DBoBFhA34EAqpRXFEbqAIhzWTiwGp8d1GAhrtP6LNcZAVjPBeCcVOgEIdBj7E
 jeRgBFJ0EL5+WhCpDrhlwA==

<SEC-DOCUMENT>0001246506-06-000001.txt : 20060309
<SEC-HEADER>0001246506-06-000001.hdr.sgml : 20060309
<ACCEPTANCE-DATETIME>20060309184937
ACCESSION NUMBER:		0001246506-06-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060308
FILED AS OF DATE:		20060309
DATE AS OF CHANGE:		20060309

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLANTRONICS INC /CA/
		CENTRAL INDEX KEY:			0000914025
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				770207692
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		345 ENCINAL ST
		CITY:			SANTA CRUZ
		STATE:			CA
		ZIP:			95061-1802
		BUSINESS PHONE:		8314265858

	MAIL ADDRESS:	
		STREET 1:		345 ENCINAL STREET
		STREET 2:		PO BOX 1802
		CITY:			SANTA CRUZ
		STATE:			CA
		ZIP:			95061-1802

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PI PARENT CORP
		DATE OF NAME CHANGE:	19931025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HART JOHN
		CENTRAL INDEX KEY:			0001246506

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12696
		FILM NUMBER:		06677204

	BUSINESS ADDRESS:	
		STREET 1:		870 MAUDE AVENUE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94085
		BUSINESS PHONE:		4083283556

	MAIL ADDRESS:	
		STREET 1:		12359 FARR ROAD
		CITY:			SARATOGA
		STATE:			CA
		ZIP:			95070
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-03-08</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000914025</issuerCik>
        <issuerName>PLANTRONICS INC /CA/</issuerName>
        <issuerTradingSymbol>PLT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001246506</rptOwnerCik>
            <rptOwnerName>HART JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>345 ENCINAL STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA CRUZ</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95060</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>JOHN H HART</signatureName>
        <signatureDate>2006-03-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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