The Guanyinyan Dam (Chinese: 观音岩水电站, lit.

Guanyin Rock Dam) is a gravity dam on the Jinsha River 30 km (19 mi) southwest of Panzhihua on the border of Yunnan and Sichuan Provinces in China.

The purpose of the dam is hydroelectric power generation and flood control.

Construction on the dam started in 2008 and the river was diverted by 2010.

The crest elevation of the dam will be 1,141 m (3,743 ft) above sea level and contain the power plant at the toe of its body.