| Sidell Township, IL (Township) |
| Sidney, IA (City) |
| Sidney, IL (Village) |
| Sidney, NY (Village) |
| Sidney, NY (Town) |
| Sidney, SD (Township) |
| Sidney, OH (City) |
| Sidney, AR (Town) |
| Sidney, NE (City) |
| Sidney, ND (Township) |
| Sidney, IN (Town) |
| Sidney, MT (City) |
| Sidney, ME (Town) |
| Sidney Township, IA (Township) |
| Sidney Township, IL (Township) |
