Author
- Isaac Luria2
- Ismail ibn Hammad al-Jawhari2
- Jacob Anatoli2
- Jacob ben Asher2
- Jacobus de Teramo2
- Jalal al-Din Davani2
- Jalal al-Din al-Qazwini2
- Jamāl al-Dīn Ḥaṣīrī2
- Jayakr̥ṣṇa2
- Jayāditya2
- John Cassian2
- Jordan von Quedlinburg2
- Joseph ben Ephraim Karo2
- Josephus2
- Judah ben Saul ibn Tibbon2
- Julianus Pomerius2
- Justin2
- Kamalakara2
- Kapila2
- Keśavamiśra2