| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Josias | - | Biblical | ||
| Jotham | JO-thəm (English) | Biblical | ||
| Jubal | JOO-bəl (English) | Biblical | ||
| Judah | JOO-də (English) | Biblical, Jewish | ||
| Judas | JOO-dəs (English) | Biblical | ||
| Jude (1) | JOOD (English) | English, Biblical | ||
| Judith | JOO-dith (English), zhoo-DEET (French), YOO-dit (German) | English, Jewish, French, German, Spanish, Biblical | ||
| Junia | - | Biblical, Ancient Roman | ||
| Kain | - | Biblical Greek | ||
| Kainan | - | Biblical Greek | ||
| Kalev (2) | - | Biblical Hebrew | ||
| Kandake | - | Biblical, Biblical Greek | ||
| Karpos | - | Ancient Greek, Biblical Greek | ||
| Kayin (2) | - | Biblical Hebrew | ||
| Keinan | - | Biblical Hebrew |