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                               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) July 30, 2007
                                                       -------------


                         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))




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ITEM 2.02.  Results of Operations and Financial Condition
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(a)  On July 30, 2007, Ohio Casualty Corporation (the "Corporation") issued
     a press release announcing its earnings for the second quarter ended
     June 30, 2007.  The Corporation also issued on July 30, 2007 certain
     Supplemental Financial Information with respect to its earnings for the
     second quarter ended June 30, 2007.  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
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(c)  Exhibits

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

        99.1       Press release dated July 30, 2007 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 July 30, 2007 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)





July 30, 2007                          /s/Debra K. Crane
                                       --------------------------------------
                                       Debra K. Crane, Senior Vice President,
                                        General Counsel and Secretary






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                               Exhibit Index
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                        Current Report on Form 8-K
                           Dated:  July 30, 2007



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

   99.1       Press release dated July 30, 2007 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
              July 30, 2007 and posted on the Corporation's website at
              http://www.ocas.com.
              -------------------











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