| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Constantina | - | Late Roman | ||
| Constantinus | - | Late Roman | ||
| Constantius | - | Late Roman | ||
| Constanza | kon-STAHN-thah (Spanish), kon-STAHN-sah (Latin American Spanish) | Spanish | ||
| Constanze | - | German | ||
| Consuela | kon-SWE-lah | Spanish | ||
| Consuelo | kon-SWE-lo | Spanish | ||
| Consus | - | Roman Mythology | ||
| Cora | KAWR-ə (English) | English, German, Greek Mythology (Latinized) | ||
| Coral | KAWR-əl (English) | English, Spanish | ||
| Corbinian | kawr-BEE-nee-ahn | German | ||
| Corbinianus | - | Late Roman | ||
| Cord | KAWRT | German | ||
| Cordula | - | German | ||
| Coreen | kə-REEN | English (Rare) |