Pricing Supplement No. 5  Dated July 19, 2002       Filed Pursuant to: Rule 424(b)(3)
(To Prospectus dated June 28, 2000 and              File No.: 333-38756
Prospectus Supplement dated October 26, 2000)


                             BANK ONE CORPORATION
                          MEDIUM-TERM NOTES, SERIES C


                                                                                 
Date of Issue: July 24, 2002      [ ] Fixed Rate       [ ] Commercial Paper Rate Note     [ ] LIBOR Reuters
               -----------------  [X] Senior           [ ] Federal Funds Rate Note        [X] LIBOR Telerate
Maturity Date: July 25, 2005      [ ] Subordinated     [ ] CD Rate Note                   [ ] Prime Rate Note
               -----------------  [ ] CMT Rate Note    [ ] LIBOR Note                     [ ] Treasury Rate Note
                                                                                          [ ] Other


CUSIP: 06422NGH3
       -------------------

Principal Amount: $350,000,000.00
                  -------------------------

Issue Price (As a Percentage of Principal Amount): 100%
                                                   ------------------

Interest Rate/Initial Interest Rate: Not Available
                                     ------------------------

Interest Payment Dates: 24th of January, April, July, October
                        -------------------------------------------------------

Interest Reset Dates: 24th of January, April, July, October
                      -------------------------------------------------------

Index Maturity: 90 days
                -----------------------------------------------------------

Designated CMT Maturity Index:
                               -------------------------------

Designated CMT Telerate Page:
                              -------------------------------

Spread: +20 Basis Points
        --------------------------

Spread Multiplier: None
                   --------------

Minimum Interest Rate: None
                       --------------

Maximum Interest Rate: None
                       --------------

Interest Payment Period: July 24, 2002 to October 24, 2002 and quarterly
                         ------------------------------------------------------
                         thereafter, up to but excluding the interest payment
                         ----------------------------------------------------
                         date
                         ----

Interest Rate Reset Period: July 24, 2002 to October 24, 2002 and quarterly
                            --------------------------------------------------
                            thereafter, up to but excluding the interest payment
                            ------------------------------------------------
                            date
                            ----

Redemption Date(s) or Period: None
                              --------------

Optional Repayment Date(s): None
                            --------------

Calculation Agent (If Applicable): Bank One, NA
                                   ----------------------

Additional Terms:

This Pricing Supplement may be used by Banc One Capital Markets, Inc. ("BOCM"),
a wholly owned subsidiary of the issuer, in connection with offer and sales
related to secondary market transactions in the Notes. BOCM may act as principal
or agent in such transactions. Such sales will be made at prices related to the
prevailing market prices at the time of sale.