| Crofton, NE (City) |
| Croghan, NY (Town) |
| Croghan, NY (Village) |
| Croke, MN (Township) |
| Cromwell, IA (City) |
| Cromwell, OK (Town) |
| Cromwell, MN (Township) |
| Cromwell, MN (City) |
| Cromwell, IN (Town) |
| Cromwell, ND (Township) |
| Cromwell, CT (Town) |
| Cromwell Township, PA (Township) |
| Crook, CO (Town) |
| Crook County, OR (County) |
| Crook County, WY (County) |
