| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| JÓNa | - | Icelandic | ||
| JÓNas | - | Icelandic | ||
| JÓNatan | - | Icelandic | ||
| JÓRunnr | - | Ancient Scandinavian | ||
| JÓSka | - | Hungarian | ||
| JÓZsef | YO-zhef | Hungarian | ||
| JÓZsi | YO-zhee | Hungarian | ||
| JÓZsua | YO-zhoo-aw | Hungarian | ||
| JØRg | - | Danish, Norwegian | ||
| JØRgen | - | Danish, Norwegian | ||
| JØRn | - | Danish, Norwegian | ||
| JÖRdis | - | German | ||
| JÖRg | YUURK | German | ||
| JÚLia | ZHOO-lyə (Portuguese), YOO-lee-aw (Hungarian) | Portuguese, Catalan, Hungarian, Slovak | ||
| JÜRgen | YUYR-gen | Low German |