The Roman Catholic Diocese of Xuzhou/Süchow (Latin: Siuceuven(sis), Chinese: 徐州) is a diocese located in the city of Xuzhou (Jiangsu) in the ecclesiastical province of Nanjing in China.

• July 1, 1931: Established as Apostolic Prefecture of Xuzhou 徐州 from the Apostolic Vicariate of Nanjing 南京
• June 18, 1935: Promoted as Apostolic Vicariate of Xuzhou 徐州
• April 11, 1946: Promoted as Diocese of Xuzhou 徐州

• Bishops of Xuzhou 徐州 (Roman rite)
  • Bishop Philip Côté, S.J. (April 11, 1946 – January 16, 1970)
  • Bishop John Wang Renlei (2011–present)
• Vicars Apostolic of Xuzhou 徐州 (Roman Rite)
  • Bishop Philip Côté, S.J. (June 18, 1935 – April 11, 1946)

• GCatholic.org
• Catholic Hierarchy