| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Jovian | - | Ancient Roman (Anglicized) | ||
| Jovka | - | Macedonian | ||
| Jowan | - | Cornish | ||
| Jozef | YO-zəf (Dutch) | Slovak, Dutch | ||
| Jozefien | yo-zə-FEEN | Dutch | ||
| Jozefina | - | Croatian | ||
| Jozo | - | Croatian | ||
| Jozua | YO-zuy-ah | Dutch | ||
| Ju | - | Chinese | ||
| Juan (2) | - | Chinese | ||
| Jubal | JOO-bəl (English) | Biblical | ||
| Juda | - | Arabic | ||
| Judah | JOO-də (English) | Biblical, Jewish | ||
| Judas | JOO-dəs (English) | Biblical | ||
| Judda | - | Ancient Germanic |