UNITED STATES
                    U. S. 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 22, 2004

                              BANCFIRST CORPORATION
                              ---------------------
             (Exact name of registrant as specified in its charter)

           OKLAHOMA                    0-14384                    73-1221379
           --------                    -------                    ----------
(State or other jurisdiction         (Commission               (I.R.S. Employer
      of incorporation)              File Number)            Identification No.)

101 North Broadway, Oklahoma City, Oklahoma                         73102
-------------------------------------------                         -----
  (Address of principal executive offices)                        (Zip Code)

Registrant's telephone number, including area code (405) 270-1086


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Item 12. Results of Operations and Financial Condition.

      On  July  22,  2004,  BancFirst   Corporation  announced  its  results  of
operations  for the quarter  ended June 30,  2004.  A copy of the related  press
release  is being  filed as  Exhibit  99.1 to this Form 8-K and is  incorporated
herein by reference in its entirety.

                                   SIGNATURES

      Pursuant to the  requirements  of the Securities and Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                  BANCFIRST CORPORATION
                                                           (Registrant)

Date: July 22, 2004                               /s/ Randy P. Foraker
                                                  ------------------------------
                                                            (Signature)
                                                  Randy P. Foraker
                                                  Executive Vice President
                                                  Chief Risk Officer
                                                  Assistant Secretary/Treasurer
                                                  (Principal Accounting Officer)


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                                  Exhibit Index

Exhibit Number
--------------

99.1     Press Release, dated July 22, 2004, issued by BancFirst Corporation.


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