| Chico | Man | Spanish Names |
| Chiquita | Woman | Spanish Names |
| Chita | Woman | Spanish Names |
| Chofa | Woman | Spanish Names |
| Christabel | Woman | Spanish Names |
| Cicerón | Man | Spanish Names |
| Cid | Man | Spanish Names |
| Cielo | Woman | Spanish Names |
| Cinco | Man | Spanish Names |
| Cisco | Man | Spanish Names |
| Cisneros | Unisex | Spanish Names |
| Cleme | Man | Spanish Names |
| Clemente | Man | Spanish Names |
| Colón | Unisex | Spanish Names |
| Colorado | Unisex | Spanish Names |
| Concepcion | Woman | Spanish Names |
| Conrado | Man | Spanish Names |
| Consuelo | Woman | Spanish Names |
| Contreras | Unisex | Spanish Names |
| Corazón | Woman | Spanish Names |