| Cala | Woman | Indian Names |
| Calah | Woman | Hebrew Names |
| Calais | Unisex | Greek Names |
| Calaminag | Woman | Scottish Names |
| Calandra | Woman | Greek Names |
| Calantha | Woman | Greek Names |
| Calanthe | Woman | Greek Names |
| Calbhach | Man | Irish Names |
| Calder | Man | Scottish Names |
| Calderon | Unisex | Spanish Names |
| Caldwell | Unisex | English Names |
| Cale | Man | American Names |
| Caleb | Man | Hebrew Names |
| Caledon | Unisex | English Names |
| Caley | Unisex | English Names |
| Calgary | Unisex | Scottish Names |
| Calhoun | Man | Scottish Names |
| Cali | Woman | American Names |
| Caliadne | Woman | Greek Names |
| Caliana | Unisex | American Names |