Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement of
Cincinnati Financial Corporation on Form S-4 of our report dated February 27,
2004, appearing in the Annual Report on Form 10-K of Cincinnati Financial
Corporation for the year ended December 31, 2003 and to the reference to us
under the heading "Experts" in the Prospectus, which is part of this
Registration Statement.

/s/ Deloitte & Touche LLP
December 17, 2004