| Coe | - | Teutonic Name | Coen | - | Dutch Name |
| Cohan | - | Teutonic Name | Cohen | - | Maori Name |
| Coigleach | - | Gaelic Name | Coilin | - | Scottish Name |
| Coilleach | - | Gaelic Name | Coinleain | - | Gaelic Name |
| Coinneach | - | Gaelic Name | Coire | - | Scottish Name |
| Colas | - | Cameroon Name | Colbert | - | Teutonic Name |
| Colby | - | Anglo Name | Cole | - | English Name |
| Coleman | - | English Name | Coleridge | - | Teutonic Name |
| Coleson | - | Teutonic Name | Coleton | - | English Name |
| Colhozeh | - | Biblical Name | Colin | - | English Name |
| Coll | - | Teutonic Name | Collier | - | English Name |
| Collin | - | Celtic Name | Collins | - | Teutonic Name |
| Collyn | - | Teutonic Name | Colman | - | Teutonic Name |
| Colombo | - | Italian Name | Colquhoun | - | Scottish Name |
| Colson | - | French Name | Colt | - | English Name |
| Colt | - | Teutonic Name | Colte | - | English Name |
| Colten | - | American Name |
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