| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CÉSar | THE-sahr (Spanish), SE-sahr (Latin American Spanish) | French, Spanish, Portuguese | ||
| CÔMe | - | French | ||
| Cade | KAYD | English | ||
| Caden | KAY-dən | English (Modern) | ||
| Cadence | KAY-dənts | English (Modern) | ||
| Cadeyrn | - | Ancient Celtic | ||
| Caecilia | - | German, Ancient Roman | ||
| Caecilius | - | Ancient Roman | ||
| Caelan | KAY-lən | English (Rare) | ||
| Caelia | - | Ancient Roman | ||
| Caelie | KAY-lee | English (Rare) | ||
| Caelina | - | Ancient Roman | ||
| Caelinus | - | Ancient Roman | ||
| Caelius | - | Ancient Roman | ||
| Caesar | SEE-zər (English) | Ancient Roman |