<SEC-DOCUMENT>0001209191-23-044948.txt : 20230808
<SEC-HEADER>0001209191-23-044948.hdr.sgml : 20230808
<ACCEPTANCE-DATETIME>20230808160512
ACCESSION NUMBER:		0001209191-23-044948
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230804
FILED AS OF DATE:		20230808
DATE AS OF CHANGE:		20230808

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Khan Ahmad A.
		CENTRAL INDEX KEY:			0001642452

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09992
		FILM NUMBER:		231151156

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

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2023-08-04</periodOfReport>

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    <issuer>
        <issuerCik>0000319201</issuerCik>
        <issuerName>KLA CORP</issuerName>
        <issuerTradingSymbol>KLAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642452</rptOwnerCik>
            <rptOwnerName>Khan Ahmad A.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE TECHNOLOGY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILPITAS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95035</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, Semi Proc. Control</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
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                <value>Common Stock</value>
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            <transactionDate>
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                <transactionShares>
                    <value>776</value>
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                <transactionPricePerShare>
                    <value>496.47</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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                <value></value>
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                <transactionShares>
                    <value>1171</value>
                    <footnoteId id="F5"/>
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                <transactionPricePerShare>
                    <value>496.47</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                    <value>64836.392</value>
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            <securityTitle>
                <value>Common Stock</value>
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                <transactionFormType>4</transactionFormType>
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                <value></value>
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                <transactionShares>
                    <value>3512</value>
                    <footnoteId id="F7"/>
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                    <value>496.47</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61324.392</value>
                    <footnoteId id="F8"/>
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    <footnotes>
        <footnote id="F1">On August 4, 2022, the Reporting Person was granted restricted stock units (&quot;RSUs&quot;) for 6,260 shares of KLA common stock. On August 4, 2023, twenty-five percent (25%) of the RSUs vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2023.</footnote>
        <footnote id="F2">The number of shares of KLA common stock includes 49,651 shares issuable upon vesting of RSUs.</footnote>
        <footnote id="F3">On August 5, 2021, the Reporting Person was granted RSUs for 6,727 shares of KLA common stock. On August 5, 2023, twenty-five percent (25%) of the RSUs vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2023.</footnote>
        <footnote id="F4">The number of shares of KLA common stock includes 47,969 shares issuable upon vesting of RSUs.</footnote>
        <footnote id="F5">On August 6, 2020, the Reporting Person was granted RSUs for 9,444 shares of KLA common stock. On August 6, 2023, twenty-five percent (25%) of the RSUs vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2023.</footnote>
        <footnote id="F6">The number of shares of KLA common stock includes 45,608 shares issuable upon vesting of RSUs.</footnote>
        <footnote id="F7">The Reporting Person vested 50% of the performance-based restricted stock units (&quot;RSUs&quot;) granted on August 6, 2020. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2023.</footnote>
        <footnote id="F8">The number of shares of KLA common stock includes 38,525 shares issuable upon vesting of RSUs.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey S. Cannon, as attorney-in-fact for Ahmad A. Khan</signatureName>
        <signatureDate>2023-08-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
