| Colin | - | West Indies Name | Colina | - | Scottish Name |
| Coll | - | Teutonic Name | Colleen | - | United States Name |
| Collene | - | Gaelic Name | Collette | - | American Name |
| Collier | - | English Name | Collin | - | Celtic Name |
| Collins | - | Teutonic Name | Collyn | - | Teutonic Name |
| Colman | - | Teutonic Name | Colombo | - | Italian Name |
| Colosse | - | Biblical Name | Colquhoun | - | Scottish Name |
| Colson | - | French Name | Colt | - | English Name |
| Colt | - | Teutonic Name | Colte | - | English Name |
| Colten | - | American Name | Colter | - | Teutonic Name |
| Colton | - | English Name | Colton | - | Teutonic Name |
| Coltyn | - | English Name | Colum | - | Gaelic Name |
| Columb | - | Teutonic Name | Columbine | - | Italian Name |
| Colwyn | - | Welsh Name | Coman | - | Teutonic Name |
| Côme | - | Cameroon Name | Comfort | - | Australian Name |
| Comhghan | - | Gaelic Name | Comyn | - | Spanish Name |
| Con | - | Gaelic Name | Conall | - | Celtic Name |
| Conan | - | Irish Name |
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