Author
- Jamālī Ardistani1
- Jawad al-Amili1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn al-Ḥusayn Shūshtarī1
- John Gower1
- John of Genoa1
- John of Glastonbury1
- Juan Páez de Castro1
- Kabbāshī, Aḥmad1
- Kadri, Ali1
- Kalb Ḥusayn ibn Faz̤l ʻAlī Tabrīzī1
- Kalim Kashani1
- Kamal ad-Din Bina'i1
- Kamal al-Din ibn al-Humam1
- Kamāl al-Dīn ibn Āsāyish Shirwānī1
- Kamāl al-Dīn Ḥusayn ibn Ḥasan Khvārazmī1
- Kara Fazlî1
- Karakaşzade Ömer1
- Karaçelebizade Abdülaziz1