| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| J O Junction | city | Wyoming | United States | 41.53528 | -108.39083 | 6971 | 14 |
| Jack Pine | city | Wyoming | United States | 43.32611 | -110.43333 | 7391 | 33 |
| Jackson | city | Wyoming | United States | 43.48 | -110.76167 | 6354 | 3623 |
| James Town | city | Wyoming | United States | 41.55528 | -109.51611 | 6249 | 2391 |
| Jay Em | city | Wyoming | United States | 42.46139 | -104.36917 | 4599 | 19 |
| Jays Roost | city | Wyoming | United States | 41.1675 | -106.33056 | 9399 | 36 |
| Jeffrey City | city | Wyoming | United States | 42.49472 | -107.82667 | 6377 | 5 |
| Jelm | city | Wyoming | United States | 41.05778 | -106.01278 | 7598 | 33 |
| Jerome | city | Wyoming | United States | 44.04833 | -104.52944 | 4199 | 67 |
| Johnstown | city | Wyoming | United States | 43.11833 | -108.70083 | 5275 | 156 |
|
|