<SEC-DOCUMENT>0000319201-17-000035-index.html : 20170804
<SEC-HEADER>0000319201-17-000035.hdr.sgml : 20170804
<ACCEPTANCE-DATETIME>20170804171909
ACCESSION NUMBER:		0000319201-17-000035
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170804
DATE AS OF CHANGE:		20170804
EFFECTIVENESS DATE:		20170804

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219734
		FILM NUMBER:		171009501

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>forms-82017.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: forms-82017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>opinionofjeffreyscannonesq.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: opinionofjeffreyscannonesq.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>consentofindependentregist.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: consentofindependentregist.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>4
<FILENAME>amendedandrestated1997espp.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 4 - file: amendedandrestated1997espp.htm

</DOCUMENT>
</SEC-DOCUMENT>