8-K

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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)  September 29, 2006
                                                     ------------------

                         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 8.01.  Other Events
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  On September 29, 2006, Ohio Casualty Corporation (the "Corporation")
  issued a press release announcing that the directors of the Corporation
  have authorized the repurchase of up to one hundred million dollars of
  the Corporation's common shares.  Pursuant to the authorization, the
  Corporation may purchase shares from time to time in the open market or
  in privately negotiated transactions and the purchases will be funded
  from available working capital.

  The press release was posted on the Corporation's website at
  http://www.ocas.com and is attached hereto as Exhibit 99 and hereby
  incorporated by reference.


ITEM 9.01.  Financial Statements and Exhibits.
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(c)  Exhibits

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

         99         Press release dated September 29, 2006 issued by Ohio
                    Casualty Corporation 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 2, 2006                /s/Debra K. Crane
                               --------------------------------------
                               Debra K. Crane, Senior Vice President,
                                General Counsel and Secretary






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                               Exhibit Index
                               -------------

                        Current Report on Form 8-K
                         Dated September 29, 2006


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

    99        Press release dated September 29, 2006 issued by Ohio Casualty
              Corporation and posted on the Corporation's website at
              http://www.ocas.com.






                                Page 3 of 3

EX-99

                                                      Exhibit 99





Analyst contact:
Dennis E. McDaniel
Vice President, Investor Relations
513-603-2197
dennis.mcdaniel@ocas.com

Media contact:
Cindy L. Denney
Assistant Vice President, Corporate Communications
513-603-2074 (ofc.), 513-703-7372 (cell)
cindy.denney@ocas.com



For Immediate Release



                    OHIO CASUALTY CORPORATION ANNOUNCES
                          SHARE REPURCHASE PROGRAM


FAIRFIELD, OHIO, September 29, 2006  --- Ohio Casualty Corporation
(NASDAQ:OCAS) today announced that its Board of Directors authorized the
repurchase of up to $100 million of the Corporation's common stock,
effective immediately.  Purchases may be made in the open market or in
privately negotiated transactions from time to time and will be funded from
available working capital.

"We believe this is a positive action for our shareholders," notes
Corporation President and Chief Executive Officer Dan R. Carmichael, CPCU.
"It reflects the Corporation's strong capital position, significant
financial flexibility and outlook for continued positive operating
performance."

Corporate Profile
Ohio Casualty Corporation is the holding company of The Ohio Casualty
Insurance Company, which is one of six property-casualty insurance
companies that make up Ohio Casualty Group, collectively referred to as
Consolidated Corporation.  The Ohio Casualty Insurance Company was founded
in 1919 and is licensed in 49 states.  Ohio Casualty Group is ranked 50th
among U.S. property/casualty insurance groups based on net premiums written
(Best's Review, July 2006).  The Group's member companies write auto, home
and business insurance.  Ohio Casualty Corporation trades on the NASDAQ
Stock Market under the symbol OCAS and had assets of approximately $5.7
billion as of June 30, 2006.


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