Browns Lake or Brown's Lake may refer to:
United States
Browns Lake in Faulkner County, Arkansas Browns Lake in Miller County, Arkansas Browns Lake (Idaho), a glacial lake in Elmore County, Idaho Browns Lake, a lake in Scott County, Minnesota Browns Lake (Washington), a lake in Washington Browns Lake, Wisconsin, a census-designated place in Racine County, Wisconsin
Other places Brownes Lake / Kroweratwari, also spelt Browns Lake, part of the Mount Gambier (volcano) complex, South Australia
See also Brown's Lake Bog, a nature preserve in Wayne County, Ohio Brown Lake (disambiguation)