Lonesome Lake

Lonesome Lake could refer to:

United States

 * Lonesome Lake (Idaho), an alpine lake in Custer County, Idaho
 * Lonesome Lake (Montana), a lake located in Carbon County, Montana
 * Lonesome Lake (New Hampshire), a lake located in Franconia Notch in the White Mountains of New Hampshire
 * Lonesome Lake (Washington), a lake in the Mount Baker–Snoqualmie National Forest
 * Lonesome Lake (Wyoming), a lake in the Wind River Range

Canada

 * Lonesome Lake (British Columbia), a lake located in Tweedsmuir South Provincial Park, British Columbia near Hunlen Falls