<SEC-DOCUMENT>0001628280-23-032686-index.html : 20230920
<SEC-HEADER>0001628280-23-032686.hdr.sgml : 20230920
<ACCEPTANCE-DATETIME>20230920165402
ACCESSION NUMBER:		0001628280-23-032686
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230920
FILED AS OF DATE:		20230920
DATE AS OF CHANGE:		20230920

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fernandez Gomez Luciano
		CENTRAL INDEX KEY:			0001730978

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231267026

	MAIL ADDRESS:	
		STREET 1:		1A SHAWFIELD STREET,
		STREET 2:		RICHARDSON HOUSE
		CITY:			LONDON
		STATE:			X0
		ZIP:			SW3 4BA

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Klaviyo, Inc.
		CENTRAL INDEX KEY:			0001835830
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-338-1744

	MAIL ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wk-form3_1695243232.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: wk-form3_1695243232.html

Document 1 - RAW XML: wk-form3_1695243232.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa-lucianofernandezgomez.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: poa-lucianofernandezgomez.htm

</DOCUMENT>
</SEC-DOCUMENT>