| CristÓBal | | kree-STO-bahl | Spanish | |
| CristÓVÃO | | - | Portuguese | |
| Cristal | | KRIS-təl | English | |
| Cristen | | KRIS-tən | English (Modern) | |
| CristiÁN | | kree-STYAHN | Spanish | |
| Cristiana | | kree-STYAH-nah (Italian) | Italian, Portuguese | |
| Cristiano | | kree-STYAH-no (Italian), kreesh-TYA-noo (Portuguese) | Italian, Portuguese | |
| Cristina | | kree-STEE-nah (Italian, Spanish) | Italian, Spanish, Portuguese, Romanian | |
| Crofton | | KRAWF-tən | English (Rare) | |
| Cruz | | KROOTH (Spanish), KROOS (Latin American Spanish), KROOSH (Portuguese) | Spanish, Portuguese | |
| Cruzita | | kroo-THEE-tah (Spanish), kroo-SEE-tah (Latin American Spanish) | Spanish | |
| Crystal | | KRIS-təl | English | |
| Crystin | | - | Welsh | |
| Ctirad | | - | Czech, Slovak | |
| CuÁN | | - | Irish | |