| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cairbre | KAHR-bra | Irish, Scottish | ||
| CairistÌOna | - | Scottish | ||
| Caiside | - | Ancient Irish | ||
| CaitrÌOna | - | Scottish | ||
| Caius | - | Ancient Roman | ||
| Caleb | KAY-ləb (English) | English, Biblical | ||
| Calfuray | kal-foo-RAW-ee | Native American, Mapuche | ||
| Calixte | - | French | ||
| Callias | - | Ancient Greek (Latinized) | ||
| Callum | KAL-um | Scottish | ||
| Calum | KAL-um | Scottish | ||
| Calvus | - | Ancient Roman | ||
| Cameron | KAM-rən (English), KAM-ə-rən (English) | Scottish, English | ||
| Camilla | kə-MIL-ə (English), kah-MEEL-lah (Italian, Danish), KAH-meel-lah (Finnish) | English, Italian, Danish, Swedish, Norwegian, Finnish, German, Ancient Roman, Roman Mythology | ||
| Camille | ka-MEE (French), kə-MEEL (English) | French, English |