Oregon has at least 19 lakes named Lost Lake:
Article name elev.(ft) location USGS map GNIS ID Lost Lake (Baker County, Oregon) 7388 Anthony Lakes Lost Lake Reservoir (Baker County, Oregon) 6152 Deadman Point Lost Lake (Nicolai Mountain, Clatsop County, Oregon) 512 Nicolai Mountain Lost Lake (Elsie, Clatsop County, Oregon) 1476 Elsie Lost Lake (Camas Valley, Coos County, Oregon) 2356 Camas Valley Lost Lake (Bandon, Coos County, Oregon) 26 Bandon Lost Lake (Callahan, Douglas County, Oregon) 1542 Callahan Lost Lake (Tahkenitch Creek, Douglas County, Oregon) 161 Tahkenitch Creek Lost Lake (Grant County, Oregon) 6155 Desolation Butte Lost Lake (Harney County, Oregon) 7444 Fish Lake Lost Lake (Hood River County, Oregon) 3146 Bull Run Lake Lost Lake (Jackson County, Oregon) 3599 Grizzly Peak Lost Lake (Jefferson County, Oregon) 5305 Olallie Butte Lost Lake (Pelican Butte, Klamath County, Oregon) 5873 Pelican Butte Lost Lake (Antler Point, Klamath County, Oregon) 5584 Antler Point Lost Lake (Tidbits Mountain, Linn County, Oregon) 3730 Tidbits Mountain Lost Lake (Santiam Pass, Linn County, Oregon) 4003 Santiam Junction Lost Lake (Morrow County, Oregon) 600 Ordnance Lost Lake (Wallowa County, Oregon) 6427 Lick Creek
See also List of lakes in Oregon