Author
- Jacob Israel Karmi1
- Jacob Meyer1
- Jacob ben Reuben ibn Zur1
- Jagannāthacandra1
- Jaghmini1
- Jalal al-Din Davani1
- Jalal al-Din Mohammad Tabrizi1
- Jamshīd al-Kāshī1
- Jamāl al-Dīn Khvānsārī1
- Jayakr̥ṣṇa1
- Jayakṛṣṇa Brahmamuni1
- Jayalakṣmī1
- Jayarāmācārya1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Carpentras, France1
- Jewish Community of Padua, Italy1
- Jewish Community of Pitigliano, Italy1
- Jewish community of unidentified city, Italy1
- Jews1
- Joseph ben Abraham Gikatilla1