| Calumet Park, IL (Village) |
| Calumet Township, IL (Township) |
| Calumet Township, MI (Township) |
| Calvert, TX (City) |
| Calvert, KY (City) |
| Calvert County, MD (County) |
| Calverton Park, MO (Village) |
| Calvin, LA (Village) |
| Calvin, ND (City) |
| Calvin, KS (Township) |
| Calvin, OK (Town) |
| Calvin Township, MI (Township) |
| Calypso, NC (Town) |
| Camak, GA (Town) |
| Camanche, IA (City) |
