| Cannon | Man | English Names |
| Canon | Man | English Names |
| Cantrell | Unisex | English Names |
| Canyon | Woman | English Names |
| Cappy | Unisex | English Names |
| Capron | Unisex | English Names |
| Caractacus | Man | English Names |
| Carleigh | Woman | English Names |
| Carlen | Unisex | English Names |
| Carlson | Man | English Names |
| Carlton | Man | English Names |
| Carman | Unisex | English Names |
| Carnation | Unisex | English Names |
| Carol | Unisex | English Names |
| Carolie | Woman | English Names |
| Carolyn | Woman | English Names |
| Carpenter | Unisex | English Names |
| Carrington | Unisex | English Names |
| Carson | Unisex | English Names |
| Carter | Unisex | English Names |