| Caroline | - | Scottish Name | Carolyn | - | English Name |
| Carolyne | - | American Name | Carolynn | - | American Name |
| Carolynne | - | English Name | Caron | - | French Name |
| Carra | - | Latin Name | Carrie | - | English Name |
| Carrieann | - | American Name | Carrigan | - | English Name |
| Carthaea | - | Phoenician Name | Carthidice | - | Phoenician Name |
| Carthina | - | Phoenician Name | Carthona | - | Phoenician Name |
| Cartier | - | Australian Name | Cartimandua | - | Anglo Name |
| Cary | - | English Name | Caryn | - | American Name |
| Carys | - | Welsh Name | Casandra | - | Greek Name |
| Casey | - | English Name | Cashlyn | - | American Name |
| Cashton | - | English Name | Casie | - | American Name |
| Casimira | - | Slavic Name | Casiphia | - | Biblical Name |
| Cassadee | - | Irish Name | Cassady | - | Irish Name |
| Cassandra | - | English Name | Cassara | - | American Name |
| Cassi | - | American Name | Cassia | - | Muslim Name |
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