| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| JĀNis | - | Latvian | ||
| JĀZeps | - | Latvian | ||
| JŪLija | - | Latvian | ||
| JÁKob | - | Hungarian | ||
| JÁNos | YAH-nosh | Hungarian | ||
| JÁZmin | YAHZ-meen | Hungarian | ||
| JÓHann | - | Icelandic | ||
| JÓHanna | - | Icelandic | ||
| JÓHannes | - | Icelandic, Faroese | ||
| JÓN | - | Icelandic, Faroese | ||
| JÓNa | - | Icelandic | ||
| JÓNas | - | Icelandic | ||
| JÓNatan | - | Icelandic | ||
| JÓRunnr | - | Ancient Scandinavian | ||
| JÓSka | - | Hungarian |