| Carbon County, MT (County) |
| Carbon County, UT (County) |
| Carbon County, WY (County) |
| Carbon County, PA (County) |
| Carbon Hill, AL (City) |
| Carbon Hill, IL (Village) |
| Carbonado, WA (Town) |
| Carbondale, KS (City) |
| Carbondale, ND (Township) |
| Carbondale, PA (City) |
| Carbondale, PA (Township) |
| Carbondale, CO (Town) |
| Carbondale, IL (City) |
| Carbondale Township, IL (Township) |
| Cardiff, AL (Town) |
