Washington, D.C. 20549

 Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

April 28, 2011 
Date of Report (Date of earliest event reported):

On Assignment, Inc.
(Exact name of registrant as specified in its charter)
                    (State or other jurisdiction 
                   of incorporation)
 File Number)
(IRS Employer
 Identification No.)
                                        26745 Malibu Hills Road, Calabasas, California
                                      (Address of principal executive offices)
(Zip Code)
Registrant’s telephone number, including area code:  (818) 878-7900

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o        Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o        Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o        Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o        Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))


Item 2.02 Results of Operations and Financial Condition.

On April 28, 2011, On Assignment, Inc. (the “Company”) announced its financial results for the first quarter of 2011. A copy of the press release is furnished  with Current Report on Form 8-K as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

The following exhibit is furnished pursuant to Item 2.02:

Press release of On Assignment, Inc. dated April 28, 2011, reporting its financial results for the first quarter of 2011.


     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

  On Assignment, Inc.  
Date: April 28, 2011
/s/ James L. Brill  
  James L. Brill  
  Sr. Vice President, Finance and Chief Financial Officer