| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cornelia | kawr-NE-lee-ah (German), kor-NE-lyah (Italian), kawr-NAY-lee-ah (Dutch), kər-NEE-lee-ə (English), kər-NEEL-yə (English) | German, Romanian, Italian, Dutch, English, Ancient Roman | ||
| Corneliu | - | Romanian | ||
| Cosmin | - | Romanian | ||
| Cosmina | - | Romanian | ||
| Costache | kos-TAH-ke | Romanian | ||
| Costel | ko-STEL | Romanian | ||
| CosticĂ | kos-TEE-kə | Romanian | ||
| Costin | - | Romanian | ||
| Crina | KREE-nah | Romanian | ||
| Cristi | - | Romanian | ||
| Cristian | - | Romanian | ||
| Cristina | kree-STEE-nah (Italian, Spanish) | Italian, Spanish, Portuguese, Romanian |