Exhibit 23.3


                        CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated August 10, 2001, with respect to the financial
statements of Health Personnel Options Corporation included in the Registration
Statement Form S-3 and related Prospectus of On Assignment, Inc. for the
registration of 3,616,308 shares of its common stock to be filed on May 8, 2002
with the Securities and Exchange Commission.


/s/ Ernst & Young L.L.P.

Cincinnati, Ohio
May 8, 2002