| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Christy (1) | KRIS-tee | English | ||
| Chrysanta | kri-SAN-tə | English (Rare) | ||
| Chrystal | KRIS-təl | English | ||
| Chuck | CHUK | English | ||
| Chyna | - | English (Modern) | ||
| Ciara (2) | see-AHR-ə, see-ER-ə | English (Modern) | ||
| Cicely | SIS-ə-lee | English | ||
| Ciera | see-ER-ə | English (Modern) | ||
| Cierra | see-ER-ə | English (Modern) | ||
| Cindi | SIN-dee | English | ||
| Cindra | SIN-drə | English (Rare) | ||
| Cindy | SIN-dee | English | ||
| Cissy | SIS-ee | English | ||
| Clair | KLER | French, English | ||
| Claire | KLER | French, English |