Rite: Roman (Latin)
Type: Uncanonical Diocese 
Name: Wanzhou 萬州 (正體中文) / Wànzhōu 万州 (简体中文)
Province: Chongqing 重慶
Seat: Wanzhou 萬州
Territories of Vatican dioceses
- Established as Uncanonical Diocese of Wanxian 萬縣 (正體中文) / Wànxiàn 万县 (简体中文)
- ?: Renamed as Uncanonical Diocese of Wanzhou 萬州 (正體中文) / Wànzhōu 万州 (简体中文)