Sanhe (Chinese: 三河; pinyin: Sānhé; lit. 'three rivers'), formerly Heicheng (Chinese: 黑城; pinyin: Hēichéng; lit. 'black city'), is a town in Haiyuan County, Ningxia, China, located 45 kilometres (28 mi) southeast of the county seat ,and about the same distance north-northwest of Guyuan as the crow flies. As of 2018, it has 13 villages under its administration.

• List of township-level divisions of Ningxia