| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Constant | kawn-STAWN (French), KAHN-stənt (English) | French, English (Rare) | ||
| Conway | KAHN-way | English | ||
| Cooper | KOOP-ər, KUWP-ər | English | ||
| Cora | KAWR-ə (English) | English, German, Greek Mythology (Latinized) | ||
| Coral | KAWR-əl (English) | English, Spanish | ||
| Corbin | KAWR-bin | English | ||
| Cordelia | kawr-DEL-ee-ə, kawr-DEL-yə | English | ||
| Cordell | kawr-DEL | English | ||
| Coreen | kə-REEN | English (Rare) | ||
| Coretta | kə-RET-ə | English | ||
| Corey | KAWR-ee | English | ||
| Cori | KAWR-ee | English | ||
| Coriander | KAWR-ee-an-dər | English (Rare) | ||
| Corie | KAWR-ee | English | ||
| Corina | - | English, German, Romanian |