| Catherine | - | Biblical Name | Catheryn | - | Anglo Name |
| Cathleen | - | United States Name | Cathmor | - | Gaelic Name |
| Cathrine | - | Greek Name | Cathryn | - | Anglo Name |
| Cathy | - | American Name | Catia | - | Finnish Name |
| Catie | - | Australian Name | Cato | - | Latin Name |
| Catori | - | American Name | Catrina | - | Maori Name |
| Catriona | - | Gaelic Name | Catterick | - | Arthurian Name |
| Catur | - | Indonesian Name | Cauley | - | Scottish Name |
| Caulton | - | English Name | Cauvery | - | Hindu Name |
| Cauvery | - | Indian Name | Cavali | - | Eskimo Name |
| Cavalon | - | Arthurian Name | Cavan | - | Gaelic Name |
| Cavaq | - | Eskimo Name | Cavidan | - | Turkish Name |
| Cavit | - | Turkish Name | Cavittuq | - | Eskimo Name |
| Cavvik | - | Eskimo Name | Caw | - | Arthurian Name |
| Cawley | - | Scottish Name | Cayce | - | Irish Name |
| Caycee | - | Irish Name | Caydan | - | Arabic Name |
| Cayden | - | Gaelic Name | Caydon | - | American Name |
| Cayla | - | Yiddish Name | Cayle | - | English Name |
| Caylee | - | Irish Name | Cayleigh | - | Gaelic Name |
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