| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cato (1) | - | Ancient Roman | ||
| Cato (2) | - | Dutch | ||
| Catrina | - | Irish, Scottish | ||
| Catriona | ka-TREE-na, ka-TREE-o-na | Irish, Scottish | ||
| CecÍLie | - | Czech | ||
| Cecilia | sə-SEE-lee-ə (English), sə-SEEL-yə (English), che-CHEE-lyah (Italian), the-THEE-lyah (Spanish), se-SEE-lyah (Latin American Spanish), se-SEEL-yah (Danish, Norwegian), SE-see-lee-ah (Finnish) | English, Italian, Spanish, Swedish, Danish, Norwegian, Finnish, Dutch, German | ||
| Cecilie | se-SEEL-ye (Norwegian, Danish) | Norwegian, Danish, Czech | ||
| Cecilija | - | Slovene, Croatian | ||
| Ceel | KAY:L | Dutch | ||
| Cees | - | Dutch | ||
| Celsus | - | Ancient Roman | ||
| Cenek | - | Czech | ||
| Cephas | SEE-fəs (English) | Biblical, Biblical Latin | ||
| Cerise | - | French | ||
| Cernunnos | - | Celtic Mythology (Latinized) |