| Concordia Parish, LA (County) |
| Concordia Township, IA (Township) |
| Concrete, WA (Town) |
| Conde, SD (City) |
| Conde, SD (Township) |
| Condit Township, IL (Township) |
| Condon, OR (City) |
| Condon, SD (Township) |
| Cone Ranch South Community Development District, FL (CDD) |
| Conecuh County, AL (County) |
| Conejos County, CO (County) |
| Conemaugh Township, PA (Township) |
| Conemaugh Township, PA (Township) |
| Conemaugh Township, PA (Township) |
| Conestoga Township, PA (Township) |
