| Gender | Baby Name | Meaning |
|---|---|---|
 | Cianna | Ancient |
| Ciara | Black |
 | Ciaran | Black |
| Cicada | Loud Insect of the night |
| Cicero | Chickpea |
| Ciel | From Heaven |
| Cielo | Sky |
| Cierra | Mountain |
| Cillian | Little warrior |
| Cindy | From mount kynthos |
| Cinzia | From mount kynthos |
| Cira | Sun |
| Circe | Greek goddess name |
| Ciro | Of the Sun |
| Cirocco | Ancient Egyptian Wind |
| Cissy | Free |
| Citro | Image |
| Claire | Illustrious |
| Clara | Illustrious |
| Claral | Clear, Bright |
