Tanzhou may refer to:
- Tanzhou Town (坦洲镇), town in and subdivision of Zhongshan, Guangdong
- Changsha, formerly known as Tanzhou
Historical prefectures
edit- Tan Prefecture (Hunan) (潭州), which existed between the 6th and 14th centuries in modern Hunan
- Tan Prefecture (Beijing) (檀州), which existed between the 6th and 14th centuries in modern Beijing