| Cape Elizabeth, ME (Town) |
| Cape Girardeau, MO (City) |
| Cape Girardeau County, MO (County) |
| Cape May City, NJ (City) |
| Cape May County, NJ (County) |
| Cape May Point, NJ (Borough) |
| Cape Vincent, NY (Village) |
| Cape Vincent, NY (Town) |
| Capel Township, IA (Township) |
| Capioma, KS (Township) |
| Capital, SD (Township) |
| Capital Region Community Development District, FL (CDD) |
| Capital Township, IL (Township) |
| Capitan, NM (Village) |
| Capitol Heights, MD (Town) |
