| Sibley, KS (Township) |
| Sibley, MO (Town) |
| Sibley Butte, ND (Township) |
| Sibley County, MN (County) |
| Sibley Trail, ND (Township) |
| Sicily, NE (Township) |
| Sicily Island, LA (Village) |
| Sidell, IL (Village) |
| Sidell Township, IL (Township) |
| Sidney, IA (City) |
| Sidney, IL (Village) |
| Sidney, NY (Village) |
| Sidney, NY (Town) |
| Sidney, SD (Township) |
| Sidney, OH (City) |
