| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CARYL | KER-əl, KAR-əl | English | ||
| CARYN | KER-ən, KAR-ən | English | ||
| CARYS | KAHR-is | Welsh | ||
| CAS | - | Dutch | ||
| Case | [keis] | |||
| Casey | ['keisi] | |||
| CASEY | KAY-see | English, Irish | ||
| Cash | [kæʃ] | |||
| CASH | KASH | English | ||
| CASIMIR | KAZ-i-meer (English) | English, French | ||
| CASIMIRO | - | Spanish, Portuguese, Italian | ||
| CASPAR | - | Judeo-Christian Legend | ||
| CASPER | KAHS-pər (Dutch) | Dutch, Swedish, Norwegian, Danish | ||
| CASPIAN | KAS-pee-ən (English) | Literature | ||
| CASS | KAS | English |