Grassy Lake may refer to: * Grassy Lake, Alberta, a hamlet in Canada * Grassy Lake in Faulkner County, Arkansas * Grassy Lake Dam, a small dam in Wyoming * Grassy Lake (Florida), a lake in Highlands County, Florida * Grassy Lake Preserve, a protected area in Florida * Grassy Lake (Louisiana), a lake in St. Martin and Assumption Parishes * Little Grassy Lake (Florida), a lake in Highlands County, Florida * Little Grassy Lake (Illinois), a reservoir in southern Illinois

See also