| Coira | - | Scottish Name | Coire | - | Scottish Name |
| Colbi | - | English Name | Colby | - | English Name |
| Cole | - | English Name | Coleen | - | Gaelic Name |
| Coleman | - | English Name | Coleton | - | English Name |
| Colette | - | French Name | Coley | - | Greek Name |
| Colhozeh | - | Biblical Name | Colin | - | English Name |
| Colina | - | Scottish Name | Colleen | - | English Name |
| Collene | - | Gaelic Name | Collette | - | American Name |
| Collier | - | English Name | Collin | - | Celtic Name |
| Collyn | - | Australian Name | Colombo | - | Italian Name |
| Colosse | - | Biblical Name | Colquhoun | - | Scottish Name |
| Colson | - | French Name | Colt | - | English Name |
| Colte | - | English Name | Colten | - | American Name |
| Colter | - | English Name | Colton | - | English Name |
| Coltyn | - | English Name | Colum | - | Gaelic Name |
| Columbine | - | Italian Name | Colwyn | - | Welsh Name |
| Coman | - | Algerian Name | Comfort | - | Australian Name |
| Comhghan | - | Gaelic Name | Comyn | - | Spanish Name |
| Con | - | Gaelic Name | Conall | - | Celtic Name |
| Conan | - | Irish Name | Concetta | - | Italian Name |
| Conchita | - | Spanish Name | Condola | - | English Name |
| Condwiramurs | - | Arthurian Name | Conelle | - | Gaelic Name |
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