| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CĂTĂLin | - | Romanian | ||
| CĂTĂLina | - | Romanian | ||
| CÁNdida | KAHN-dhee-dhah | Spanish | ||
| CÁNdido | KAHN-dhee-dho | Spanish | ||
| CÄCilia | - | German | ||
| CÄCilie | - | German | ||
| CÉSar | THE-sahr (Spanish), SE-sahr (Latin American Spanish) | French, Spanish, Portuguese | ||
| CÉZar | - | Portuguese (Brazilian) | ||
| CÔNg | - | Vietnamese | ||
| CÚC | - | Vietnamese | ||
| Cadeyrn | - | Ancient Celtic | ||
| Cadmus | - | Greek Mythology (Latinized) | ||
| Caecilia | - | German, Ancient Roman | ||
| Caecilius | - | Ancient Roman | ||
| Caelan | KAY-lən | English (Rare) |