Author
- Istanbulī, Muṣṭafá Zakī1
- Isḥāq ibn Ibrāhīm Fārābī1
- Isḥāq ibn Yūsuf Ṣardafī1
- Izz al-Din ibn 'Abd al-Salam1
- Ja'far Kashfi1
- Jaafar Al-Sadiq1
- Jalāl al-Dīn al-Thīrī1
- James Raymond Wellsted1
- Jamshīd al-Kāshī1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1
- Jawad al-Amili1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jazūlī, Yaḥyá ibn Mūsá1
- Jaʻfar Vāʻiẓ1
- Jean-Claude de La Poype de Vertrieu1
- John Chrysostom1
- Jonas King1
- Josephus1
- Junayd ibn Sandal Baghdādī1
- Jāwushzādah, Ibrāhīm ibn Muḥammad, d. 1640 or 11