| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sion Farm | city | United States Virgin Islands | United States | 17.73 | -64.74 | 167 | |
| Sion Hill | city | United States Virgin Islands | United States | 17.74 | -64.75 | 262 | |
| Siousca | city | Pennsylvania | United States | 40.00 | -75.82 | 830 | |
| Sioux | city | North Carolina | United States | 36.02 | -82.36 | 2591 | |
| Sioux | city | Wisconsin | United States | 46.74 | -90.88 | 830 | |
| Sioux Acres Mobile Home Park | city | Georgia | United States | 33.97 | -84.06 | 1000 | |
| Sioux Center | city | Iowa | United States | 43.08 | -96.18 | 1669 | |
| Sioux City | city | Iowa | United States | 42.50 | -96.40 | 1125 | |
| Sioux Crossing | city | Montana | United States | 45.87 | -110.24 | 5390 | |
| Sioux Falls | city | South Dakota | United States | 43.55 | -96.70 | 1669 | |
| Sioux Falls Junction | city | South Dakota | United States | 43.98 | -96.69 | 1669 | |
| Sioux Pass | city | Montana | United States | 47.92 | -104.33 | 2509 | |
| Sioux Rapids | city | Iowa | United States | 42.89 | -95.15 | 1669 | |
| Sioux Terrace Colonia | city | Texas | United States | 26.22 | -98.16 | 104 | |
| Sioux Terrace South Colonia | city | Texas | United States | 26.21 | -98.16 | 104 | |
| Sioux Valley | city | Minnesota | United States | 43.54 | -95.30 | 1669 | |
| Sioux View Park | city | Nebraska | United States | 41.13 | -100.75 | 2788 | |
| Sioux Village | city | South Dakota | United States | 44.11 | -103.22 | 3349 | |
| Siovi Shuatak | city | Arizona | United States | 31.95 | -112.60 | 2509 |