| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CÉZar | - | Portuguese (Brazilian) | ||
| CÍNtia | - | Portuguese | ||
| CÓEmgein | KEE-veen, KWEE-vin | Irish | ||
| CÔNg | - | Vietnamese | ||
| CÚC | - | Vietnamese | ||
| CÚChulainn | - | Irish Mythology | ||
| CÜNeyt | - | Turkish | ||
| Cade | KAYD | English | ||
| Cadell | - | Welsh | ||
| Caden | KAY-dən | English (Modern) | ||
| Cadence | KAY-dənts | English (Modern) | ||
| Cadfael | - | Welsh | ||
| Cadfan | - | Welsh | ||
| Cadi | - | Welsh | ||
| Cadoc | - | Welsh |