The Fish Lake Wildlife Area(FLWA) is a 13,649 acres (5,524 ha) tract of protected land located in Burnett County, Wisconsin, managed by the Wisconsin Department of Natural Resources (WDNR).

The lake is noted for being exceptionally clear in both the east and west basin, with water clarity, perception, and color all receiving the best possible grades.

The FLWA was included in the Glacial Lake Grantsburg property complex, which also includes the Amsterdam Sloughs Wildlife Area and the Crex Meadows Wildlife Area, and as such was subject to the long range goal of all three units being managed for waterfowl.

There are several different types of trees residing in the Wildlife Area, the most prominent being oak, maple, hemlock, and red pine.

Besides sea dwelling fauna, black tern, turkey and shorebirds have been known to frequent the area.