| Catrina | - | American Name | Catriona | - | Gaelic Name |
| Cauvery | - | Indian Name | Cauvery | - | Hindu Name |
| Cavali | - | Eskimo Name | Cavidan | - | Turkish Name |
| Cavittuq | - | Eskimo Name | Cavvik | - | Eskimo Name |
| Cayce | - | Irish Name | Caycee | - | Irish Name |
| Caydan | - | Arabic Name | Cayla | - | Yiddish Name |
| Caylee | - | Irish Name | Cayleigh | - | Gaelic Name |
| Caylie | - | Arabic Name | Caylin | - | Gaelic Name |
| Cazibe | - | Turkish Name | Ceana | - | American Name |
| Ceara | - | Gaelic Name | Cearo | - | Anglo Name |
| Cece | - | Australian Name | Cecelia | - | Latin Name |
| Cecile | - | French Name | Cécile | - | Cameroon Name |
| Cecilia | - | Romanian Name | Cecília | - | Portuguese Name |
| Cecilia | - | Maori Name | Cecilie | - | Norse Name |
| Cecillia | - | Australian Name | Cecily | - | English Name |
| Cecylia | - | Latin Name | Ceejay | - | African Name |
| Ceepe | - | Indian Name | Ceihli | - | Scottish Name |
| Ceili | - | Gaelic Name | Ceilidh | - | Scottish Name |
| Ceira | - | Irish Name | Celena | - | American Name |
| Celes | - | Latin Name | Celest | - | American Name |
| Celeste | - | Muslim Name |
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