| Sonora, TX (City) |
| Sonora, CA (City) |
| Sonora Township, IL (Township) |
| Soo, ND (Township) |
| Soo Township, MI (Township) |
| Sopchoppy , FL (City) |
| Soper, OK (Town) |
| Soperton, GA (City) |
| Sophia, WV (Town) |
| Sorenson, ND (Township) |
| Sorento, IL (Village) |
| Sorkness, ND (Township) |
| Sorrento, LA (Town) |
| Sorrento, ME (Town) |
| Soso, MS (Town) |
