    <SEC-DOCUMENT>0000875357-20-000025-index.html : 20200319
    <SEC-HEADER>0000875357-20-000025.hdr.sgml : 20200319
    <ACCEPTANCE-DATETIME>20200319102343
    ACCESSION NUMBER:		0000875357-20-000025
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		10
    CONFORMED PERIOD OF REPORT:	20191231
    FILED AS OF DATE:		20200319
    DATE AS OF CHANGE:		20200319
    EFFECTIVENESS DATE:		20200319

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BOK FINANCIAL CORP ET AL
    		CENTRAL INDEX KEY:			0000875357
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				731373454
    		STATE OF INCORPORATION:			OK
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37811
    		FILM NUMBER:		20726833

    	BUSINESS ADDRESS:
    		STREET 1:		BANK OF OKLAHOMA TOWER
    		STREET 2:		BOSTON AVENUE AT SECOND STREET
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74172
    		BUSINESS PHONE:		9185886000

    	MAIL ADDRESS:
    		STREET 1:		BANK OF OKLAHOMA TOWER
    		STREET 2:		P O BOX 2300
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74192
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>a20191231bokfproxy.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: a20191231bokfproxy.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>bokfinancialcorpprxyga04.jpg
    <TEXT>
    Document 2 - file: bokfinancialcorpprxyga04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>bokfinancialcorpprxyga05.jpg
    <TEXT>
    Document 3 - file: bokfinancialcorpprxyga05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>chart-1c2dadb01c70548b8c5a01.jpg
    <TEXT>
    Document 4 - file: chart-1c2dadb01c70548b8c5a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>chart-3e54dd5ff39e538f823a01.jpg
    <TEXT>
    Document 5 - file: chart-3e54dd5ff39e538f823a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>chart-187559def4445bb999da01.jpg
    <TEXT>
    Document 6 - file: chart-187559def4445bb999da01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image1a09.jpg
    <TEXT>
    Document 7 - file: image1a09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image2a06.jpg
    <TEXT>
    Document 8 - file: image2a06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>image3a06.jpg
    <TEXT>
    Document 9 - file: image3a06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>image4a06.gif
    <TEXT>
    Document 10 - file: image4a06.gif

    </DOCUMENT>
    </SEC-DOCUMENT>