Qiong Lake (), sometimes tautologically referred to as Qionghai Lake, is a freshwater lake in Liangshan Prefecture, Sichuan, and is the second largest lake in Sichuan. The lake is located in a depression on the east side of the Anning River valley, in a mountainous region of the province between the Hengduan Mountains and the Yungui Plateau. Xichang, the capital of Liangshan Prefecture, is located on the northwest shores of the lake and the entire of the lake is within Xichang County.