The Chang Lake (), originally known as Wazi Lake (), is a lake located at the junction of Jingzhou, Jingmen and Qianjiang, central China's Hubei province. It is the third largest lake in Hubei. The lake has an area of and a capacity of . The lake discharges into Jing River.
The name of Chang Lake dates back to the Ming dynasty (1368–1644).
From 1954 to 2005, the area of Chang Lake decreased by .
At 13:00 p.m. on July 11, 2020, the water level of Chang Lake at Jingzhou reached , topping the previous record of in 2016.
It has many functions, such as domestic water supply, regulation and storage, flood control, fishery, tourism, irrigation, and improvement of ecological environment.