==============================================================================

                               UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                         Washington, D. C.   20549

                                 FORM 8-K

                              CURRENT REPORT
                    Pursuant to Section 13 or 15(d) of
                    The Securities Exchange Act of 1934

     Date of Report (Date of earliest event reported) October 25, 2005


                         OHIO CASUALTY CORPORATION
          (Exact name of registrant as specified in its charter)

             OHIO                     0-5544                  31-0783294
(State or other jurisdiction       (Commission              (IRS Employer
       of incorporation)           File Number)           Identification No.)

                 9450 Seward Road, Fairfield, Ohio  45014
           (Address of principal executive offices)   (Zip Code)

                              (513) 603-2400
           (Registrant's telephone number, including area code)

                              Not Applicable
       (Former name or former address, if changed since last report)


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):

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule l4a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))




                               Page 1 of 3

==============================================================================





ITEM 2.02.  Results of Operations and Financial Condition
- ---------

(a)  On October 25, 2005, Ohio Casualty Corporation (the "Corporation")
     issued a press release announcing its earnings for the third quarter
     ended September 30, 2005.  The Corporation also issued on October 25,
     2005 certain Supplemental Financial Information with respect to its
     earnings for the third quarter ended September 30, 2005.  The press
     release and the Supplemental Financial Information were posted on the
     Corporation's website at http://www.ocas.com and are attached hereto as
     Exhibits 99.1 and 99.2, respectively, and hereby incorporated by
     reference.


ITEM 9.01.  Financial Statements and Exhibits
- ---------

(c)  Exhibits

     Exhibit No.    Description
     ----------     -----------

        99.1        Press release dated October 25, 2005 issued by Ohio
                    Casualty Corporation and posted on the Corporation's
                    website at http://www.ocas.com.

        99.2        Financial Information issued by Ohio Casualty Corporation
                    on October 25, 2005 and posted on the Corporation's
                    website at http://www.ocas.com.






                                 SIGNATURE

     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 thereunto duly authorized.




                                        OHIO CASUALTY CORPORATION
                                        -------------------------
                                               (Registrant)





October 25, 2005                        /s/Debra K. Crane
                                        -------------------------------------
                                        Debra K. Crane, Senior Vice President,
                                         General Counsel and Secretary





                                Page 2 of 3






                               Exhibit Index


                        Current Report on Form 8-K
                          Dated October 25, 2005



Exhibit No.    Description

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

   99.1        Press release dated October 25, 2005 issued by Ohio Casualty
               Corporation and posted on the Corporation's website at
               http://www.ocas.com.

   99.2        Financial Information issued by Ohio Casualty Corporation on
               October 25, 2005 and posted on the Corporation's website at
               http://www.ocas.com.








                                Page 3 of 3