Author
- Ja'far Kashfi1
- Jaafar Al-Sadiq1
- Jacob Saphir1
- Jai Singh II1
- Jakob Reifmann1
- James Raymond Wellsted1
- Jami1
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn Khaḍir Janājī1
- Jews1
- Joachim Heinrich Campe1
- Joshua Benzion Segre1
- Kalb Ḥusayn ibn Faz̤l ʻAlī Tabrīzī1
- Kamāl al-Dīn Ḥusayn ibn Ḥasan Khvārazmī1
- Keçecizade İzzet Molla1
- Khaqani1
- Khujandī, Muḥammad ibn Muḥammad, -approximately 13501
- Khuwānsārī, Muḥammad ibn Ḥusayn, d. 17131
- Khādimī, ʻAbd Allāh ibn Muḥammad, d. 17781