Author
- Ismāʻīl ibn Muḥammad al-ʻAjlūnī1
- Ismāʻīl ibn ʻAlī ibn al-Ḥāʼik1
- Isḥāq ibn Ḥasan Tūqādī1
- Ja'far Kashfi1
- Jaafar Al-Sadiq1
- Jacob Saphir1
- Jai Singh II1
- Jakob Reifmann1
- Jalal al-Din Davani1
- James Raymond Wellsted1
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn Khaḍir Janājī1
- Jews1
- Joachim Heinrich Campe1
- Jonathan Eybeschutz1
- Joshua Benzion Segre1
- Kalb Ḥusayn ibn Faz̤l ʻAlī Tabrīzī1
- Kamāl al-Dīn Ḥusayn ibn Ḥasan Khvārazmī1
- Kaygusuz Abdal1