| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Chelsey | CHEL-see | English (Modern) | ||
| Chelsie | CHEL-see | English (Modern) | ||
| Cheyanne | shie-AN | English (Modern) | ||
| China | CHIE-nə | English (Modern) | ||
| Chyna | - | English (Modern) | ||
| Ciara (2) | see-AHR-ə, see-ER-ə | English (Modern) | ||
| Ciera | see-ER-ə | English (Modern) | ||
| Cierra | see-ER-ə | English (Modern) | ||
| Codie | KO-dee | English (Modern) | ||
| Colten | KOL-tən | English (Modern) | ||
| Colton | KOL-tən | English (Modern) | ||
| Conner | KAHN-ər | English (Modern) | ||
| Connor | KAHN-ər (English) | Irish, English (Modern) | ||
| Coty | - | English (Modern) | ||
| Cristen | KRIS-tən | English (Modern) |