SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  ------------

                                    FORM 8-A

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(B) OR (G) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                                AmerUs Group Co.
--------------------------------------------------------------------------------
             (Exact Name of Registrant as Specified in Its Charter)

                           Iowa                               42-1458424
----------------------------------------------------    ------------------------
       (State of Incorporation or Organization)             (I.R.S. Employer
                                                           Identification no.)

                   699 Walnut Street
                Des Moines, Iowa 50309                         50309-3948
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         (Address of Principal Executive Offices)              (Zip Code)

If this form relates to the                     If this form relates to the 
registration of a class of securities           registration of a class of 
pursuant to Section 12(b) of the                securities pursuant to 
Exchange Act and is effective upon              Section 12(g) of the Exchange
filing pursuant to General Instruction          Act and is effective upon 
A.(c), please check the following box.          filing pursuant to General 
[ x ]                                           Instruction A.(d), please 
                                                check the following box.  [  ] 

Securities Act registration statement file number to which this form relates:
333-126547

Securities to be registered pursuant to Section 12(b) of the Act:

          Title of Each Class                     Name of Each Exchange on Which
          to be so Registered                     Each Class is to be Registered
          -------------------                     ------------------------------

   Series A Non-Cumulative Perpetual                 New York Stock Exchange
Preferred Stock, no par value per share

Securities to be registered pursuant to Section 12(g) of the Act:

                  None                                        None
          -------------------                     ------------------------------
            (Title of Class)                           (Name of Exchange)





ITEM 1.  DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED

                  This registration statement on Form 8-A relates to 6 million
shares of Series A Non-Cumulative Perpetual Preferred Stock (the "Series A
Preferred Stock") of AmerUs Group Co. (the "Company"). A description of the
Series A Preferred Stock, to be registered hereunder, is set forth under the
heading "Description of the Shares" in a Prospectus Supplement filed by the
Company on September 21, 2005 with the Securities and Exchange Commission
pursuant to Rule 424(b)(2) under the Securities Act of 1933. Such Prospectus
Supplement shall supplement the Prospectus contained in the Company's
Registration Statement on Form S-3 (File No. 333-126547) filed with the
Securities and Exchange Commission on July 12, 2005 under the Securities Act of
1933 and declared effective on July 15, 2005 (the "Registration Statement"),
which information is hereby incorporated herein by reference. Any form of
prospectus or prospectus supplement subsequently filed by the Company pursuant
to Rule 424(b) under the Securities Act which includes a description of the
securities to be registered hereunder shall be deemed to be incorporated by
reference into this Registration Statement.

ITEM 2.  EXHIBITS

      3.01         Articles of Amendment to the Amended and Restated Articles of
                   Incorporation of AmerUs Group Co., (incorporated by reference
                   to Exhibit 3.1 to AmerUs Group Co.'s Current Report on Form
                   8-K, filed on September 27, 2005).

      3.02         Amended and Restated By-laws of AmerUs Group Co., 
                   (incorporated by reference to Exhibit 3.2 to AmerUs Group 
                   Co.'s Form 10-Q for the quarter ended June 30, 2004).

      4.01         Form of stock certificate for the Series A Non-Cumulative
                   Perpetual Preferred Stock, with no par value per share, of
                   AmerUs Group Co. (incorporated by reference to Exhibit 4.1
                   to AmerUs Group Co.'s Current Report on Form 8-K, filed on
                   September 27, 2005).


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                                    SIGNATURE

                  Pursuant to the requirements of Section 12 of the Securities
Exchange Act of 1934, the Company has duly caused this registration statement or
amendment thereto to be signed on its behalf by the undersigned, thereunto duly
authorized.


Dated: September 27, 2005

                                       AmerUs Group Co.



                                       By:       /s/ Melinda S. Urion        
                                           ----------------------------------
                                            Name:  Melinda S. Urion
                                            Title: Executive Vice President,
                                                   Chief Financial Officer and
                                                   Treasurer


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                                  Exhibit Index

      3.01         Articles of Amendment to the Amended and Restated Articles of
                   Incorporation of AmerUs Group Co., (incorporated by reference
                   to Exhibit 3.1 to AmerUs Group Co.'s Current Report on Form
                   8-K, filed on September 27, 2005).

      3.02         Amended and Restated By-laws of AmerUs Group Co., 
                   (incorporated by reference to Exhibit 3.2 to AmerUs Group 
                   Co.'s Form 10-Q for the quarter ended June 30, 2004).

      4.01         Form of stock certificate for the Series A Non-Cumulative
                   Perpetual Preferred Stock, with no par value per share, of
                   AmerUs Group Co. (incorporated by reference to Exhibit 4.1
                   to AmerUs Group Co.'s Current Report on Form 8-K, filed on
                   September 27, 2005).





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