| Cruise | Unisex | English Names |
| Culture | Unisex | English Names |
| Culver | Man | English Names |
| Currer | Unisex | English Names |
| Cuthbert | Man | English Names |
| Cutler | Man | English Names |
| Cutter | Man | English Names |
| Cwen | Woman | English Names |
| Cyanne | Woman | English Names |
| Cyneburg | Man | English Names |
| Cypress | Unisex | English Names |
| Cyprus | Unisex | English Names |
| Dabney | Unisex | English Names |
| Dacey | Unisex | English Names |
| Dacre | Unisex | English Names |
| Daenerys | Woman | English Names |
| Daffodil | Woman | English Names |
| Daker | Man | English Names |
| Dal | Man | English Names |
| Dallan | Man | English Names |