| Chval | - | Czechoslovakian Name | Chyavan | - | Hindu Name |
| Cian | - | Gaelic Name | Ciaran | - | Irish Name |
| Ciarda | - | Gaelic Name | Ciardubhan | - | Gaelic Name |
| Cicero | - | Teutonic Name | Cid | - | Spanish Name |
| Cid | - | Portuguese Name | Cidon | - | Phoenician Name |
| Ciel | - | French Name | Cihan | - | Turkish Name |
| Cihangir | - | Turkish Name | Cihat | - | Turkish Name |
| Cillios | - | Phoenician Name | Cilo | - | Assyrian Name |
| Cinay | - | Turkish Name | Cindy | - | Australian Name |
| Cinnard | - | Gaelic Name | Cinneidudh | - | Gaelic Name |
| Cinnfhail | - | Gaelic Name | Cipactli | - | Nahuatl Name |
| Cipto | - | Indonesian Name | Ciqala | - | American Name |
| Ciqaluk | - | Eskimo Name | Ciqaq | - | Eskimo Name |
| Ciqsuk | - | Eskimo Name | Ciqsuq | - | Eskimo Name |
| Ciro | - | Persian Name | Cis | - | Biblical Name |
| Cisco | - | Spanish Name | Cisna | - | Phoenician Name |
| Ckaha | - | African Name | Clach | - | Scottish Name |
| Cladon | - | Maori Name | Claiborne | - | Teutonic Name |
| Clamedeus | - | Arthurian Name | Clancy | - | Irish Name |
| Clarence | - | Latin Name | Clarence | - | United States Name |
| Clarion | - | Arthurian Name | clark | - | English Name |
| Clark | - | United States Name |
|
|
