| Cuyler, NY (Town) |
| Cuyuna, MN (City) |
| Cygnet, OH (Village) |
| Cylinder, IA (City) |
| Cylon Town, WI (Town) |
| Cynthian Township, OH (Township) |
| Cynthiana, IN (Town) |
| Cynthiana, KY (City) |
| Cypress, ND (Township) |
| Cypress, MO (Township) |
| Cypress, IL (Village) |
| Cypress, CA (City) |
| Cypress Cove Community Development District, FL (CDD) |
| Cypress Creek of Hillsborough County Community Development District, FL (CDD) |
| Cypress Grove Community Development District, FL (CDD) |
