| Carnegie, OK (Town) |
| Carneiro, KS (Township) |
| Carnesville, GA (City) |
| Carney, OK (Town) |
| Carney, MI (Village) |
| Carneys Point Township, NJ (Township) |
| Caro, MI (City) |
| Caroga, NY (Town) |
| Carol Stream, IL (Village) |
| Carolina, AL (Town) |
| Carolina Beach, NC (Town) |
| Carolina Shores, NC (Town) |
| Caroline, NY (Town) |
| Caroline County, MD (County) |
| Caroline County, VA (County) |
