| Little Lost Lake | |
| Location: | Blaine County, Idaho |
| Pushpin Map: | Idaho#USA |
| Pushpin Map Caption: | Location in Idaho##Location in the United States |
| Coords: | 43.7366°N -114.6603°W |
| Basin Countries: | United States |
| Length: | 246feet |
| Width: | 92feet |
| Area: | 1.8acres |
| Elevation: | 9068feet |
Little Lost Lake is an alpine lake in Blaine County, Idaho, United States, located in the Smoky Mountains in Sawtooth National Forest. While no trails lead to the lake, it is most easily accessed from the end of forest road 170. The lake is located just east of Prairie Creek Peak. It is also near Smoky Lake, Big Lost Lake, and Upper and Lower Norton lakes.