Author
- Jacob Meyer1
- Jacob ben Machir ibn Tibbon1
- Jacob ben Reuben ibn Zur1
- Jagannāthacandra1
- Jaghmini1
- Jalal al-Din Mohammad Tabrizi1
- Jawād ibn Saʻd Jawād al-Baghdādī1
- Jayakṛṣṇa Brahmamuni1
- Jayalakṣmī1
- Jayarāmanyāyapañcānana1
- Jayarāmācārya1
- Jaʻfar Astarābādī1
- Jean-Baptiste Hauchamps1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Padua, Italy1
- Jewish Community of Pitigliano, Italy1
- Jewish community of unidentified city, Italy1
- Jews1
- Joseph Yitzchak Hakohen Poppers1
- Joseph ben Abraham Gikatilla1