| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CÉCile | se-SEEL (French) | French, Dutch | ||
| CÉLeste | se-LEST | French | ||
| CÉLestin | se-les-TEN | French | ||
| CÉLestine | - | French | ||
| CÉLine | se-LEEN | French | ||
| CÉSaire | - | French | ||
| CÉSar | THE-sahr (Spanish), SE-sahr (Latin American Spanish) | French, Spanish, Portuguese | ||
| CÔMe | - | French | ||
| Calixte | - | French | ||
| Camille | ka-MEE (French), kə-MEEL (English) | French, English | ||
| Candide | kawn-DEED | French | ||
| Capucine | ka-puy-SEEN | French | ||
| Carine | ka-REEN | French | ||
| Carole | kar-OL | French | ||
| Caroline | ka-ro-LEEN (French), KER-ə-lien (English), KER-ə-lin (English), KAR-ə-lien (English), KAR-ə-lin (English) | French, English, German, Swedish, Norwegian, Danish, Dutch |