| Consolata | - | Italian Name | Constança | - | Portuguese Name |
| Constance | - | Swiss Name | Constant | - | Cameroon Name |
| Constant | - | French Name | Constanta | - | Romanian Name |
| Constantin | - | Italian Name | Constantina | - | Australian Name |
| Constantine | - | Latin Name | Constantine | - | Teutonic Name |
| Constantinos | - | English Name | Constanza | - | Australian Name |
| Consuelo | - | Spanish Name | Content | - | American Name |
| Conway | - | Teutonic Name | Conyers | - | American Name |
| Coogan | - | Teutonic Name | Cook | - | Teutonic Name |
| Coop | - | Teutonic Name | Cooper | - | Teutonic Name |
| Cooper | - | English Name | Coorah | - | Aborigin Name |
| Coorain | - | Australian Name | Coos | - | Biblical Name |
| Copeland | - | English Name | Copeland | - | Teutonic Name |
| Copper | - | English Name | Cora | - | Scottish Name |
| Corabelle | - | Greek Name | Corah | - | Greek Name |
| Coral | - | United States Name | Coralai | - | American Name |
| Coralee | - | Latin Name |
|
|
