| Courtney | - | United States Name | Coventina | - | Anglo Name |
| Cozamalotl | - | Nahuatl Name | Cozbi | - | Biblical Name |
| Cozette | - | French Name | Craolyn Draw | - | English Name |
| Creiddyladl | - | Arthurian Name | Cresencia | - | Philippines Name |
| Cressida | - | Muslim Name | Crete | - | Biblical Name |
| Crimson | - | English Name | Cris | - | English Name |
| Crispina | - | African Name | Crissa | - | Scottish Name |
| Crissie | - | Scottish Name | Crissy | - | Scottish Name |
| Cristal | - | Maori Name | Cristel | - | Australian Name |
| Cristen | - | Latin Name | Cristiana | - | Australian Name |
| Cristie | - | Scottish Name | Cristina | - | American Name |
| Cristine | - | American Name | Cristy | - | Scottish Name |
| Cruzita | - | Maori Name | Crystal | - | English Name |
| Csilla | - | Hungarian Name | Cuicatl | - | Nahuatl Name |
| Cullodena | - | Scottish Name | Cullodina | - | Scottish Name |
| Culzean | - | Scottish Name | Cumafer | - | Turkish Name |
| Cumina | - | Scottish Name | Cunaaluk | - | Eskimo Name |
| Cunaq | - | Eskimo Name | Cundry | - | Arthurian Name |
| Cunini | - | Gaelic Name | Cura | - | Latin Name |
| Cuth, Cuthah | - | Biblical Name | Cuuma | - | Eskimo Name |
| Cuva | - | Eskimo Name | Cuvia | - | Eskimo Name |
| Cveta | - | Serbian Name | Cvetana | - | Serbian Name |
| Cvetanka | - | Serbian Name |
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