Author
- Jaimini1
- Jakob Christoph Blarer von Wartensee1
- Jakob Eduard Polak1
- Jakob Reifmann1
- Jamāl al-Dīn Khvānsārī1
- Jamālī Ardistani1
- Jawad al-Amili1
- Jayakr̥ṣṇa1
- Jayarāmanyāyapañcānana1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jaʻfar ibn al-Ḥusayn Shūshtarī1
- Jean Manesca1
- Jewish prayers1
- Joachim Bendel1
- Joham de Vernoils1
- Johannes Mellarinus1
- Johannes Meyer1
- Johannes Paulus1
- Johannes Tostius1
- Johannes von Freiburg1