The Diocese of Bismarck (Latin: Dioecesis Bismarckiensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in North Dakota. The current bishop of the diocese is Bishop David Kagan. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Saint Paul and Minneapolis. The see city for the diocese is Bismarck. The cathedral parish of the diocese is Cathedral of the Holy Spirit. The diocese encompasses 24 North Dakota counties: Adams, Billings, Bowman, Burke, Burleigh, Divide, Dunn, Emmons, Golden Valley, Grant, Hettinger, McKenzie, McLean, Mercer, Morton, Mountrail, Oliver, Renville, Sioux, Slope, Stark, Ward and Williams counties (along with the western part of Bottineau County).
