- Ismāʻīl ibn ʻAbd Allāh Khālidī1
- Ismāʻīl Ṭarabzūnī1
- Istānbūlī, Darwīsh Muḥammad ibn Ḥasan1
- Jafājī, Muḥammad1
- Jalāl, ʻAbd al-Muʻṭī, active 19th century1
- Jarmī, Yūnus ibn ʻAlī, active 18th century1
- Jazāʼirī, Muḥammad Nūr al-Dīn, active 19th century1
- Jazīrī, Muḥammad ibn Muḥammad, active 18th century1
- Jazīrī, Yūsuf ibn ʻAbd Allāh, active 18th century1
- Jaʻfar ibn Muḥammad Bashrawānī1
- Jaʻfar ibn Muṣṭafá Nakdahʹwī1
- Jaʻfar ibn Ḥasan Barzanjī1
- Jaʻfarī, Muḥammad ibn Muḥammad, active 19th century1
- Johann von Neuburg1
- Johannes of Regensburg1
- Jundī, Arslān ibn Muḥammad ʻAlī, active 19th century1
- Jundī, Aḥmad ibn ʻAbd al-Dāʼim, active 19th century1
- Jundī, Aḥmad, active 19th century1
- Juʻaydī, ʻAbd al-Raḥmān ibn Muḥammad Saʻīd, active 19th century1
- Jābir ibn Ibrāhīm, active 16th century1