| Cwen | - | Anglo Name | Cwene | - | Anglo Name |
| Cy | - | Persian Name | Cy | - | Cyprien Name |
| Cyan | - | Teutonic Name | Cyanna | - | Korean Name |
| Cybil | - | Greek Name | Cydnee | - | American Name |
| Cydney | - | English Name | Cydni | - | United States Name |
| Cyerra | - | Irish Name | Cyla | - | Polish Name |
| Cyler | - | Dutch Name | Cylie | - | Chinese Name |
| Cyndi | - | American Name | Cüneyde | - | Turkish Name |
| Cüneyt | - | Turkish Name | Cüneytullah | - | Turkish Name |
| Cynthia | - | Maori Name | Cynthia | - | Greek Name |
| Cynti | - | Greek Name | Cyprian | - | African Name |
| Cyprien | - | Cameroon Name | Cyprus | - | Biblical Name |
| Cyra | - | Australian Name | Cyraik | - | Assyrian Name |
| Cyran | - | Cyprien Name | Cyrano | - | Assyrian Name |
| Cyranoos | - | Assyrian Name | Cyren | - | Assyrian Name |
| Cyrene | - | Assyrian Name | Cyrenius | - | Biblical Name |
| Cyria | - | Assyrian Name | Cyric | - | Assyrian Name |
| Cyriel | - | Greek Name | Cyrielle | - | Cameroon Name |
| Cyril | - | Maori Name |
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