    <SEC-DOCUMENT>0000890564-18-000042-index.html : 20180426
    <SEC-HEADER>0000890564-18-000042.hdr.sgml : 20180426
    <ACCEPTANCE-DATETIME>20180425184610
    ACCESSION NUMBER:		0000890564-18-000042
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		12
    CONFORMED PERIOD OF REPORT:	20180614
    FILED AS OF DATE:		20180426
    DATE AS OF CHANGE:		20180425
    EFFECTIVENESS DATE:		20180426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ASGN Inc
    		CENTRAL INDEX KEY:			0000890564
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
    		IRS NUMBER:				954023433
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35636
    		FILM NUMBER:		18775524

    	BUSINESS ADDRESS:
    		STREET 1:		26745 MALIBU HILLS ROAD
    		CITY:			CALABASAS
    		STATE:			CA
    		ZIP:			91301
    		BUSINESS PHONE:		8188787900

    	MAIL ADDRESS:
    		STREET 1:		26745 MALIBU HILLS ROAD
    		CITY:			CALABASAS
    		STATE:			CA
    		ZIP:			91301

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ON ASSIGNMENT INC
    		DATE OF NAME CHANGE:	19930328
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>asgn2018schedule14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: asgn2018schedule14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>asgncommon02shkdzero001.jpg
    <TEXT>
    Document 2 - file: asgncommon02shkdzero001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>asgncommon02shkdzero002.jpg
    <TEXT>
    Document 3 - file: asgncommon02shkdzero002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>asgnlogo.jpg
    <TEXT>
    Document 4 - file: asgnlogo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>asgnlogoa01.jpg
    <TEXT>
    Document 5 - file: asgnlogoa01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>asgnnotice02shmdzero001.jpg
    <TEXT>
    Document 6 - file: asgnnotice02shmdzero001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>asgnnotice02shmdzero002.jpg
    <TEXT>
    Document 7 - file: asgnnotice02shmdzero002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>committeecomposition.jpg
    <TEXT>
    Document 8 - file: committeecomposition.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>piechartcomp.jpg
    <TEXT>
    Document 9 - file: piechartcomp.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>proxygraphexecutivecomp.jpg
    <TEXT>
    Document 10 - file: proxygraphexecutivecomp.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>stockperformance5.jpg
    <TEXT>
    Document 11 - file: stockperformance5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>stockperformancegrapha01.jpg
    <TEXT>
    Document 12 - file: stockperformancegrapha01.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>