14 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Laramie | Albany County | 33,338 |
| Lander | Fremont County | 7,462 |
| Lovell | Big Horn County | 2,397 |
| Lyman | Uinta County | 2,204 |
| Lusk | Niobrara County | 1,369 |
| Lucerne | Hot Springs County | 611 |
| Lingle | Goshen County | 398 |
| La Barge | Lincoln County | 394 |
| LaGrange | Goshen County | 378 |
| Lakeview North | Albany County | 109 |
| Lance Creek | Niobrara County | 61 |
| Little America | Sweetwater County | 26 |
| Lonetree | Uinta County | 13 |
| Lost Springs | Converse County | 4 |