Hanshan County () is a county in the east of Anhui Province, People's Republic of China under the jurisdiction of the prefecture-level city of Ma'anshan. It has a population of in 2020 and an area of . The government of Hanshan County is located in Huanfeng Town.
Hanshan County has jurisdiction over eight towns.
Hanshan County has 8 towns.
Hanshan experiences a climate with four distinct seasons, characterized by hot, humid summers and cool, damp winters.
Hanshan South railway station is situated here.