| Colette | - | Cameroon Name | Coley | - | Greek Name |
| Colina | - | Scottish Name | Colleen | - | English Name |
| Collene | - | Gaelic Name | Collette | - | American Name |
| Collyn | - | Australian Name | Colosse | - | Biblical Name |
| Columbine | - | Italian Name | Comfort | - | Australian Name |
| Con | - | Gaelic Name | Conceição | - | Portuguese Name |
| Concetta | - | Italian Name | Conchita | - | Spanish Name |
| Condola | - | English Name | Condwiramurs | - | Arthurian Name |
| Conelle | - | Gaelic Name | Connelly | - | Irish Name |
| Connie | - | Latin Name | Conor | - | Irish Name |
| Consolata | - | Italian Name | Constança | - | Portuguese Name |
| Constance | - | Latin Name | Constanta | - | Romanian Name |
| Constantina | - | Australian Name | Constanza | - | Italian Name |
| Consuelo | - | Spanish Name | Content | - | American Name |
| Cooper | - | English Name | Coorah | - | Aborigin Name |
| Cora | - | Scottish Name | Corabelle | - | Greek Name |
| Corah | - | Greek Name | Coral | - | English Name |
| Coralai | - | American Name | Coralee | - | Latin Name |
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