The Hongshi Dam is a gravity dam on the Second Songhua River located 30 km (19 mi) east of Huadian in Jilin Province, China.

The primary purpose of the dam is hydroelectric power generation and its power plant has an installed capacity of 200 MW.

The first generator was operational in December 1985 and the last in October 1987.

The 46 m (151 ft) tall dam creates a reservoir with a normal storage capacity of 1,630,000,000 m3 (1,321,463 acre⋅ft).

The dam is named after the town of Hongshi, located 3 km (2 mi) downstream.