The Episcopal Diocese of North Dakota is the diocese of the Episcopal Church in the United States of America with jurisdiction over the state of North Dakota plus Clay County, Minnesota. It has 19 congregations in North Dakota and one in Moorhead, Minnesota. It is in Province VI and its cathedral, Gethsemane Episcopal Cathedral, is in Fargo, as are the diocesan offices.

William David Walker was consecrated as the first missionary bishop of the Episcopal Church's Missionary District of North Dakota on December 20, 1883. He became the third bishop of Western New York in 1897 and held this position until his death in 1917.