Exhibit 32.1

			  CERTIFICATION PURSUANT TO
		  TITLE 18, UNITED STATES CODE, SECTION 1350,
			   AS ADOPTED PURSUANT TO
		 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


	In connection with the Quarterly Report of Ohio Casualty Corporation
on Form 10-Q for the quarterly period ended September 30, 2003 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Dan R. Carmichael, Chief Executive Officer of the Company, certify, pursuant
to Title18, United States Code, Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

	(1)   The Report fully complies with the requirements of Section 13(a)
	      or 15(d) of the Securities Exchange Act of 1934; and

	(2)   The information contained in the Report fairly presents, in all
	      material respects, the financial condition and result of
	      operations of the Company.




					       /s/Dan R. Carmichael
					       -----------------------------
					       Dan R. Carmichael
					       President and Chief Executive
					       Officer
					       November 7, 2003