Jiangshan is a county-level city in Quzhou prefecture-level city, in the southwest of Zhejiang Province, China. It borders Jiangxi province to the west and lies about 250 kilometers southwest of Hangzhou, the provincial capital. It is the only county-level city in Quzhou.
The city's name combines the Chinese words jiang (river) and shan (mountain): a river runs through the city, and the scenic Mt. Jianglang sits on its border. In 1999, Jiangshan's population stood at 563,196.