| Jokin | | - | Basque | |
| Joktan | | - | Biblical | |
| Jokum | | - | Danish | |
| JolÁN | | - | Hungarian | |
| JolÁNka | | - | Hungarian (Rare) | |
| Jolana | | - | Czech, Slovak | |
| Jolanda | | yo-LAHN-dah (Dutch, Italian) | Dutch, Slovene, Croatian, Italian | |
| Jolanta | | yaw-LAHN-tah (Polish) | Polish, Lithuanian | |
| Jolie | | JO-lee (English), zho-LEE (French) | English, Various | |
| Jolyon | | - | English (Rare) | |
| Jon (1) | | YOON (Swedish, Norwegian), YON (Danish, Basque) | Swedish, Norwegian, Danish, Basque | |
| JonÁŠ | | - | Czech, Slovak | |
| Jonah | | JO-nə (English) | English, Biblical | |
| Jonas (1) | | YO-nus | Lithuanian | |
| Jonas (2) | | YO-nahs (German), JO-nəs (English) | Swedish, Norwegian, Danish, German, Dutch, Biblical | |