| Cathal | | KA-hal | Irish | |
| Cathaoir | | KA-heer | Irish | |
| Catharina | | kah-tah-REE-nah (Dutch) | Dutch, Swedish | |
| Catharine | | KATH-ə-rin, KATH-rin | English | |
| Cathasach | | - | Ancient Irish | |
| Catherin | | KATH-ə-rin, KATH-rin | English (Rare) | |
| Catherina | | kath-ə-REE-nə, kə-THREE-nə | English (Rare) | |
| Catherine | | ka-tə-REEN (French), ka-TREEN (French), KATH-ə-rin (English), KATH-rin (English) | French, English | |
| Cathleen | | kath-LEEN | Irish, English | |
| Cathrine | | - | Swedish, Norwegian, Danish | |
| Cathryn | | KATH-rin | English | |
| Cathy | | KATH-ee | English | |
| Catrin | | KAT-rin (Welsh), KAHT-reen (German) | Welsh, German | |
| Catrina | | - | Irish, Scottish | |
| Catrine | | - | Swedish | |