| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saddlestring | city | Wyoming | United States | 44.45 | -106.90 | 5869 | |
| Sage | city | Wyoming | United States | 41.81 | -110.96 | 6709 | |
| Saint Stephens | city | Wyoming | United States | 42.98 | -108.42 | 5029 | |
| Sales Place | city | Wyoming | United States | 44.19 | -108.54 | 5029 | |
| Salt Creek (historical) | city | Wyoming | United States | 43.35 | -106.33 | 5029 | |
| Salt Wells | city | Wyoming | United States | 41.65 | -108.99 | 6709 | |
| Sampo (historical) | city | Wyoming | United States | 41.90 | -106.49 | 6998 | |
| Sand Creek Crossing | city | Wyoming | United States | 44.41 | -104.10 | 5095 | |
| Sand Draw | city | Wyoming | United States | 42.76 | -108.18 | 5994 | |
| Saratoga | city | Wyoming | United States | 41.45 | -106.81 | 6797 | |
| Savageton | city | Wyoming | United States | 43.87 | -105.79 | 5088 | |
| Savery | city | Wyoming | United States | 41.02 | -107.45 | 6709 | |
| Seely | city | Wyoming | United States | 44.81 | -104.62 | 4189 | |
| Seminoe Dam | city | Wyoming | United States | 42.16 | -106.91 | 6801 | |
| Shawnee | city | Wyoming | United States | 42.75 | -105.01 | 5029 | |
| Shell | city | Wyoming | United States | 44.54 | -107.78 | 4337 | |
| Sheridan | city | Wyoming | United States | 44.80 | -106.96 | 4189 | |
| Sherman | city | Wyoming | United States | 41.10 | -105.35 | 8389 | |
| Shirley (historical) | city | Wyoming | United States | 42.19 | -106.48 | 7549 | |
| Shoshoni | city | Wyoming | United States | 43.24 | -108.11 | 5029 | |
| Sibylee | city | Wyoming | United States | 42.08 | -104.95 | 5029 | |
| Silver Tip | city | Wyoming | United States | 41.91 | -104.27 | 4199 | |
| Sinclair | city | Wyoming | United States | 41.77 | -107.11 | 6709 | |
| Skull Creek | city | Wyoming | United States | 44.11 | -104.37 | 5029 | |
| Slater | city | Wyoming | United States | 41.87 | -104.82 | 5029 | |
| Sleepy Hollow | city | Wyoming | United States | 44.24 | -105.42 | 4599 | |
| Smoot | city | Wyoming | United States | 42.62 | -110.91 | 6738 | |
| Snyder Place | city | Wyoming | United States | 43.42 | -107.56 | 6220 | |
| Soda Butte (historical) | city | Wyoming | United States | 44.88 | -110.15 | 6824 | |
| South Baxter | city | Wyoming | United States | 41.37 | -109.12 | 7549 | |
| South Flat | city | Wyoming | United States | 43.93 | -108.00 | 4189 | |
| South Greeley | city | Wyoming | United States | 41.10 | -104.81 | 6056 | |
| South Park | city | Wyoming | United States | 43.42 | -110.79 | 6115 | |
| South Pass City | city | Wyoming | United States | 42.47 | -108.80 | 7818 | |
| South Superior | city | Wyoming | United States | 41.76 | -108.97 | 6968 | |
| South Torrington | city | Wyoming | United States | 42.05 | -104.18 | 4189 | |
| Speer | city | Wyoming | United States | 41.05 | -104.90 | 6289 | |
| Spotted Horse | city | Wyoming | United States | 44.71 | -105.84 | 4189 | |
| Squaw Hollow (historical) | city | Wyoming | United States | 41.16 | -109.56 | 6040 | |
| Squaw Place | city | Wyoming | United States | 42.37 | -105.70 | 7693 | |
| Stansbury | city | Wyoming | United States | 41.70 | -109.19 | 6709 | |
| Star Valley Ranch | city | Wyoming | United States | 42.97 | -110.96 | 6279 | |
| Story | city | Wyoming | United States | 44.57 | -106.89 | 5029 | |
| Stroner | city | Wyoming | United States | 44.77 | -105.05 | 4189 | |
| Strouds | city | Wyoming | United States | 42.85 | -106.24 | 5170 | |
| Sunburst | city | Wyoming | United States | 44.26 | -105.49 | 4599 | |
| Sundance | city | Wyoming | United States | 44.41 | -104.38 | 5029 | |
| Sunrise | city | Wyoming | United States | 42.33 | -104.71 | 5029 | |
| Sunshine | city | Wyoming | United States | 44.03 | -108.99 | 6709 | |
| Sussex | city | Wyoming | United States | 43.70 | -106.30 | 4386 | |
| Sussex Unit | city | Wyoming | United States | 43.61 | -106.20 | 5029 | |
| Swaim Place | city | Wyoming | United States | 43.35 | -107.38 | 7549 | |
| Sweeney Ranch | city | Wyoming | United States | 41.48 | -109.01 | 6748 | |
| Sweetwater Crossing | city | Wyoming | United States | 42.54 | -108.18 | 6709 | |
| Sweetwater Station | city | Wyoming | United States | 42.54 | -108.18 | 6709 | |
| Sylvan Bay Summer Home Area | city | Wyoming | United States | 42.95 | -109.79 | 7716 |