    <SEC-DOCUMENT>0001104659-20-107811-index.html : 20200923
    <SEC-HEADER>0001104659-20-107811.hdr.sgml : 20200923
    <ACCEPTANCE-DATETIME>20200923161529
    ACCESSION NUMBER:		0001104659-20-107811
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		11
    CONFORMED PERIOD OF REPORT:	20201104
    FILED AS OF DATE:		20200923
    DATE AS OF CHANGE:		20200923
    EFFECTIVENESS DATE:		20200923

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KLA 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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-09992
    		FILM NUMBER:		201192231

    	BUSINESS ADDRESS:
    		STREET 1:		ONE TECHNOLOGY DRIVE
    		CITY:			MILPITAS
    		STATE:			CA
    		ZIP:			95035
    		BUSINESS PHONE:		4088753000

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

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	KLA TENCOR CORP
    		DATE OF NAME CHANGE:	19970505

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	KLA INSTRUMENTS CORP
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm2030215-1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm2030215-1_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>lg_fsc-bwlr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: lg_fsc-bwlr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>lg_kls-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: lg_kls-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>sg_richardwallace-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: sg_richardwallace-bw.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2030215d1-bc_revenue4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2030215d1-bc_revenue4c.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm2030215d1-fc_formulabw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm2030215d1-fc_formulabw.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm2030215d1-lc_price4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm2030215d1-lc_price4c.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>tm2030215d1-pc_ceo4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: tm2030215d1-pc_ceo4c.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm2030215d1-pc_diversity4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm2030215d1-pc_diversity4c.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>tm2030215d1-proxy1_klabw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm2030215d1-proxy1_klabw.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>tm2030215d1-proxy2_klabw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: tm2030215d1-proxy2_klabw.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>