Oregon has at least 19 lakes named Lost Lake:
| Article name | elev. (ft) |
location | USGS map | GNIS link |
|---|---|---|---|---|
| Lost Lake (Baker County, Oregon) | 7388 | Anthony Lakes | [1] | |
| Lost Lake Reservoir (Baker County, Oregon) | 6152 | Deadman Point | [2] | |
| Lost Lake (Nicolai Mountain, Clatsop County, Oregon) | 512 | Nicolai Mountain | [3] | |
| Lost Lake (Elsie, Clatsop County, Oregon) | 1476 | Elsie | [4] | |
| Lost Lake (Camas Valley, Coos County, Oregon) | 2356 | Camas Valley | [5] | |
| Lost Lake (Bandon, Coos County, Oregon) | 26 | Bandon | [6] | |
| Lost Lake (Callahan, Douglas County, Oregon) | 1542 | Callahan | [7] | |
| Lost Lake (Tahkenitch Creek, Douglas County, Oregon) | 161 | Tahkenitch Creek | [8] | |
| Lost Lake (Grant County, Oregon) | 6155 | Desolation Butte | [9] | |
| Lost Lake (Harney County, Oregon) | 7444 | Fish Lake | [10] | |
| Lost Lake (Hood River County, Oregon) | 3146 | Bull Run Lake | [11] | |
| Lost Lake (Jackson County, Oregon) | 3599 | Grizzly Peak | [12] | |
| Lost Lake (Jefferson County, Oregon) | 5305 | Olallie Butte | [13] | |
| Lost Lake (Pelican Butte, Klamath County, Oregon) | 5873 | Pelican Butte | [14] | |
| Lost Lake (Antler Point, Klamath County, Oregon) | 5584 | Antler Point | [15] | |
| Lost Lake (Tidbits Mountain, Linn County, Oregon) | 3730 | Tidbits Mountain | [16] | |
| Lost Lake (Santiam Pass, Linn County, Oregon) | 4003 | Santiam Junction | [17] | |
| Lost Lake (Morrow County, Oregon) | 600 | Ordnance | [18] | |
| Lost Lake (Wallowa County, Oregon) | 6427 | Lick Creek | [19] |