Lake Liepāja (Latvian: Liepājas ezers, formerly Lake Libava) is the fifth-largest lake in Latvia, located near Liepaja in the Liepaja District. The total area of the lake is 37.15 km2, and it has a length of 16.2 km, average depth of 2.0 m, and a shoreline of 44.6 km.
