<SEC-DOCUMENT>0001564590-21-033409-index.html : 20210625
<SEC-HEADER>0001564590-21-033409.hdr.sgml : 20210625
<ACCEPTANCE-DATETIME>20210617180437
ACCESSION NUMBER:		0001564590-21-033409
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210621
DATE AS OF CHANGE:		20210617

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PARSONS CORP
		CENTRAL INDEX KEY:			0000275880
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				953232481
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07782
		FILM NUMBER:		211026196

	BUSINESS ADDRESS:	
		STREET 1:		5875 TRINITY PKWY #300
		CITY:			CENTREVILLE
		STATE:			VA
		ZIP:			20120
		BUSINESS PHONE:		703-988-8500

	MAIL ADDRESS:	
		STREET 1:		5875 TRINITY PKWY #300
		CITY:			CENTREVILLE
		STATE:			VA
		ZIP:			20120

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PARSON CORP
		DATE OF NAME CHANGE:	20000101
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>psn-11k_20201231.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: psn-11k_20201231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>psn-ex231_6.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: psn-ex231_6.htm

</DOCUMENT>
</SEC-DOCUMENT>