    <SEC-DOCUMENT>0001193125-21-155528-index.html : 20210510
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    <ACCEPTANCE-DATETIME>20210510060701
    ACCESSION NUMBER:		0001193125-21-155528
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		7
    FILED AS OF DATE:		20210510
    DATE AS OF CHANGE:		20210510

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KILROY REALTY CORP
    		CENTRAL INDEX KEY:			0001025996
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				954598246
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12675
    		FILM NUMBER:		21905105

    	BUSINESS ADDRESS:
    		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
    		CITY:			LOS ANGELES
    		STATE:			CA
    		ZIP:			90064
    		BUSINESS PHONE:		3104818400

    	MAIL ADDRESS:
    		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
    		CITY:			LOS ANGELES
    		STATE:			CA
    		ZIP:			90064
    </SEC-HEADER>
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    <SEQUENCE>1
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    <TEXT>
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g420715txp2g1.jpg

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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g420715txp3g1.jpg

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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g420715txp4g1.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g420715txp5g1.jpg

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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