    <SEC-DOCUMENT>0001193125-22-266400-index.html : 20221021
    <SEC-HEADER>0001193125-22-266400.hdr.sgml : 20221021
    <ACCEPTANCE-DATETIME>20221021090107
    ACCESSION NUMBER:		0001193125-22-266400
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20221021
    DATE AS OF CHANGE:		20221021

    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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-09992
    		FILM NUMBER:		221322286

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>d267752ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d267752ddefa14a.htm

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g267752txs1g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g267752txs1g1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g267752txs2g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g267752txs2g1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>