UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 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 15, 2008

                           BOK FINANCIAL CORPORATION

             (Exact name of registrant as specified in its charter)



         Oklahoma                       000-19341              73-1373454
         --------                       ---------              ----------
(State or other jurisdiction           (Commission            (IRS Employer
     of incorporation)                 File Number)         Identification No.)


  Bank of Oklahoma Tower, Boston Avenue at Second Street, Tulsa, Oklahoma 74172
                    (Address of principal executive offices)

               Registrant's telephone number, including area code:
                                 (918) 588-6000

               _____________________N/A___________________________

          (Former name or former address, if changes 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:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425).

|_| Soliciting  material  pursuant to Rule 14a-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)).

<PAGE>

                    INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.02.  Results of Operations and Financial Condition.

     On July 15, 2008,  BOK Financial  Corporation  ("BOK  Financial")  issued a
press  release  announcing  its  financial  results for the three and six months
ended June 30, 2008  ("Press  Release").  The full text of the Press  Release is
attached  as  Exhibit  99(a)  to  this  report  and is  incorporated  herein  by
reference.  On July 15, 2008, in connection  with issuance of the Press Release,
BOK Financial released financial information related to the three and six months
ended June 30, 2008 ("Financial Information"), which includes certain historical
financial  information relating to BOK Financial.  The Financial  Information is
attached  as  Exhibit  99(b)  to  this  report  and is  incorporated  herein  by
reference.

ITEM 9.01.  Financial Statements and Exhibits.

(c)      Exhibits

          99(a) Text of Press Release, dated July 15, 2008 titled "BOK Financial
                Year-to-Date  Earnings  Down  1% -  Rising  Credit  Costs
                Impact Earnings"

          99(b) Financial  Information  for the Three and Six Months  Ended June
                30, 2008


                                    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 hereunto duly authorized.


                                         BOK FINANCIAL CORPORATION


                                         By:      /s/ Steven E. Nell
                                            ---------------------------------
                                            Steven E. Nell
                                            Executive Vice President
                                            Chief Financial Officer
Date:  July 15, 2008
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{"company-data": {"conformed-name": "BOK FINANCIAL CORP ET AL", "cik": "0000875357", "assigned-sic": "6021", "irs-number": "731373454", "state-of-incorporation": "OK", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-19341", "film-number": "08953162"}, "business-address": {"street1": "BANK OF OKLAHOMA TOWER", "street2": "PO BOX 2300", "city": "TULSA", "state": "OK", "zip": "74192", "phone": "9185953025"}, "mail-address": {"street1": "BANK OF OKLAHOMA TOWER", "street2": "P O BOX 2300", "city": "TULSA", "state": "OK", "zip": "74192"}}
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 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 15, 2008

                           BOK FINANCIAL CORPORATION

             (Exact name of registrant as specified in its charter)

         Oklahoma                       000-19341              73-1373454
         --------                       ---------              ----------
(State or other jurisdiction           (Commission            (IRS Employer
     of incorporation)                 File Number)         Identification No.)

  Bank of Oklahoma Tower, Boston Avenue at Second Street, Tulsa, Oklahoma 74172
                    (Address of principal executive offices)

               Registrant's telephone number, including area code:
                                 (918) 588-6000

               _____________________N/A___________________________

          (Former name or former address, if changes 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:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425).

|_| Soliciting  material  pursuant to Rule 14a-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)).
INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.02.  Results of Operations and Financial Condition.

     On July 15, 2008,  BOK Financial  Corporation  ("BOK  Financial")  issued a
press  release  announcing  its  financial  results for the three and six months
ended June 30, 2008  ("Press  Release").  The full text of the Press  Release is
attached  as  Exhibit  99(a)  to  this  report  and is  incorporated  herein  by
reference.  On July 15, 2008, in connection  with issuance of the Press Release,
BOK Financial released financial information related to the three and six months
ended June 30, 2008 ("Financial Information"), which includes certain historical
financial  information relating to BOK Financial.  The Financial  Information is
attached  as  Exhibit  99(b)  to  this  report  and is  incorporated  herein  by
reference.

ITEM 9.01.  Financial Statements and Exhibits.

(c)      Exhibits

          99(a) Text of Press Release, dated July 15, 2008 titled "BOK Financial
                Year-to-Date  Earnings  Down  1% -  Rising  Credit  Costs
                Impact Earnings"

          99(b) Financial  Information  for the Three and Six Months  Ended June
                30, 2008

                                    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 hereunto duly authorized.

                                         BOK FINANCIAL CORPORATION

                                         By:      /s/ Steven E. Nell
                                            ---------------------------------
                                            Steven E. Nell
                                            Executive Vice President
                                            Chief Financial Officer
Date:  July 15, 2008