The Roman Catholic Diocese of Wuchang (Latin: Uciamen(sis), Chinese: 武昌) is a diocese located in the Wuchang District of Wuhan (Hubei) in the ecclesiastical province of Hankou in China.

• December 12, 1923: Established as Apostolic Prefecture of Wuchang 武昌
• May 31, 1930: Promoted as Apostolic Vicariate of Wuchang 武昌
• April 11, 1946: Promoted as Diocese of Wuchang 武昌

• Bishops of Wuchang 武昌 (Roman rite)
  • Bishop Rombert Casimir Kowalski, O.F.M. (April 11, 1946 – November 27, 1970)
• Vicars Apostolic of Wuchang 武昌 (Roman Rite)
  • Bishop Rombert Casimir Kowalski, O.F.M. (November 24, 1941 – April 11, 1946)
  • Bishop Sylvester Joseph Espelage, O.F.M. (July 17, 1925 – October 25, 1940)

• GCatholic.org
• Catholic Hierarchy