<SEC-DOCUMENT>0001181431-14-035700-index.html : 20141105
<SEC-HEADER>0001181431-14-035700.hdr.sgml : 20141105
<ACCEPTANCE-DATETIME>20141105211324
ACCESSION NUMBER:		0001181431-14-035700
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20141105
FILED AS OF DATE:		20141105
DATE AS OF CHANGE:		20141105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KLA TENCOR CORP
		CENTRAL INDEX KEY:			0000319201
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				042564110
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
		BUSINESS PHONE:		4088756000

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KLA INSTRUMENTS CORP
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MOORE GARY B
		CENTRAL INDEX KEY:			0001493191

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09992
		FILM NUMBER:		141198537

	MAIL ADDRESS:	
		STREET 1:		170 WEST TASMAN DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd418090.xml
<DESCRIPTION>INITIAL SEC FILING
<TEXT>
Document 1 - file: rrd418090.html

Document 1 - RAW XML: rrd418090.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.
<SEQUENCE>2
<FILENAME>rrd376475_426846.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: rrd376475_426846.htm

</DOCUMENT>
</SEC-DOCUMENT>