| Cobden, MN (City) |
| Cobden, IL (Village) |
| Cobleskill, NY (Village) |
| Cobleskill, NY (Town) |
| Coburg, IA (City) |
| Coburg, OR (City) |
| Coburn, ND (Township) |
| Cochecton, NY (Town) |
| Cochise County, AZ (County) |
| Cochran, GA (City) |
| Cochran County, TX (County) |
| Cochrane, WI (Village) |
| Cochranton, PA (Borough) |
| Cocke County, TN (County) |
| Cockrell, MO (Township) |
