| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Juturna | - | Roman Mythology | ||
| Juvela | yoo-VE-lah | Esperanto | ||
| Juventas | - | Roman Mythology | ||
| Ju-Won | joo-won | Korean | ||
| Jyothi | - | Indian, Telugu, Malayalam | ||
| Jyoti | - | Indian, Hindi, Marathi, Bengali, Assamese, Nepali | ||
| Jyotsana | - | Indian, Hindi | ||
| Jyotsna | - | Indian, Hindi | ||
| Jytte | YUYD-de | Danish | ||
| KĘStutis | - | Lithuanian | ||
| KÁLmÁN | - | Hungarian | ||
| KÁRi | - | Ancient Scandinavian | ||
| KÁRoly | KAH-roi | Hungarian | ||
| KÁZmÉR | - | Hungarian | ||
| KÅRe | KOR-e (Swedish) | Norwegian, Swedish, Danish |