| Jupiter | | JOO-pi-tər (English) | Roman Mythology (Anglicized) | |
| Juraj | | YOO-rahy (Croatian) | Croatian, Slovak | |
| Jure | | - | Slovene, Croatian | |
| Jurgen | | - | Dutch | |
| Jurica | | - | Croatian, Slovene | |
| Juro (1) | | - | Croatian | |
| Jurriaan | | YUR-ree-ah:n | Dutch | |
| JustÝNa | | - | Czech | |
| Juste | | - | French | |
| Justin | | JUS-tin (English), zhoo-STEN (French) | English, French, Slovene | |
| Justina | | jus-TEE-nə (English) | English, Slovene, Czech, Lithuanian, Late Roman | |
| Justine | | zhuy-STEEN (French), jus-TEEN (English) | French, English, Dutch, German | |
| Justus | | YUWS-tuws (German), JUS-təs (English) | German, Dutch, Late Roman | |