Tanzhou

Tanzhou may refer to:


 * Tanzhou Town (坦洲镇), town in and subdivision of Zhongshan, Guangdong
 * Changsha, formerly known as Tanzhou

Historical prefectures

 * 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