<SEC-DOCUMENT>0000890564-18-000029-index.html : 20180327
<SEC-HEADER>0000890564-18-000029.hdr.sgml : 20180327
<ACCEPTANCE-DATETIME>20180327162217
ACCESSION NUMBER:		0000890564-18-000029
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180327
DATE AS OF CHANGE:		20180327
EFFECTIVENESS DATE:		20180327

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ON ASSIGNMENT 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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-223952
		FILM NUMBER:		18715671

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>s-8inducementplan3272018.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: s-8inducementplan3272018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>exhibit51.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: exhibit51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>exhibit231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: exhibit231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>exhibit993.htm
<DESCRIPTION>EXHIBIT 99.3
<TEXT>
Document 4 - file: exhibit993.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>exhibit5image1a01.gif
<TEXT>
Document 5 - file: exhibit5image1a01.gif

</DOCUMENT>
</SEC-DOCUMENT>