Baishan (Chinese: 白山; pinyin: Báishān) is a prefecture-level city in southeastern Jilin province, in the Dongbei (northeastern) part of China. "白山" literally means "White Mountain", and is named after Changbai Mountain (Chinese: 长白山; pinyin: Chángbái Shān). Baishan borders Yanbian to the east, Tonghua to the southwest, Jilin City to the north, and North Korea to the south.

Baishan is to be granted the title of China International Mineral Water City. In Baishan is the Baishan Dam.

In 1902, the Qing imperial government set up the Linjiang County in today's Baishan region. During the Manchukuo period, Linjiang county was under the jurisdiction of Tonghua. In March 1959, Jilin provincial government promoted Linjiang County to a county-level city and renamed it as Hunjiang City, which is still under the administration of Tonghua Prefecture. In 1985, Hunjiang City developed into a prefecture-level city, administerring three districts and three counties including Fusong, Jingyu and Changbai. The city was renamed to Baishan in April 1994 with the approval of the State Council.

Baishan has a humid continental climate (Köppen: Dwb, bordering on Dwa).