Hanshan County (simplified Chinese: 含山县; traditional Chinese: 含山縣; pinyin: Hánshān Xiàn) is a district of Anhui Province, People's Republic of China under the jurisdiction of Ma'anshan City. It has a population of 440,000 and an area of 1,028 square kilometres (397 sq mi). The government of Hanshan County is located in Huanfeng Town.
Hanshan County has jurisdiction over eight towns and seven townships.