Lone Tree Lake may refer to: Lone Tree Lake (Ontario), a lake in Parry Sound District, Ontario Lone Tree Lake, a lake in Brown County, Minnesota Lone Tree Lake, a lake in Lyon County, Minnesota Lone Tree Lake, a lake in Yellow Medicine County, Minnesota Lone Tree Lake, a lake in Sheridan County, Montana Lone Tree Lake (Clark County, South Dakota) Lone Tree Lake (Deuel County, South Dakota)