Exhibit 23.1



               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-4) and related Prospectus of Aon Corporation and
Aon Capital A for the registration of  $800,000,000 of 8.205% Capital Securities
of Aon Capital A and to the incorporation by reference therein of our reports
dated February 8, 1996, with respect to the consolidated financial statements
and schedules of Aon Corporation included in and incorporated by reference in
its Annual Report (Form 10-K) for the year ended December 31, 1995, filed with
the Securities and Exchange Commission.



                                    ERNST & YOUNG LLP



Chicago, Illinois
February 3, 1997