- Jaafar Al-Sadiq1
- Jabartī, Ḥasan ibn Ibrāhīm, 1698 or 1699-1774?1
- James Raymond Wellsted1
- Jamshīd al-Kāshī1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1
- Jamāl al-Dīn Khvānsārī1
- Jazūlī, Yaḥyá ibn Mūsá1
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn Khaḍir Janājī1
- Junayd ibn Sandal Baghdādī1
- Jāwushzādah, Ibrāhīm ibn Muḥammad, d. 1640 or 11
- Ka'b bin Zuhayr1
- Kabbāshī, Aḥmad1
- Kalāʼī, Muḥammad ibn Sharaf, d. 13751
- Kamal al-Din al-Ghazzi1
- Kanjāwī, Jibrīl ibn ḥasan, 1351 or 21
- Kaḥḥāl, ʻAlī ibn ʻĪsá, -1038 or 10391
- Kefeli Ḥüseyin1
- Kelı̂m-i Eyyûbı̂1