- Isidorus1
- Ismāʻīl Rushdī1
- Ismāʻīl ibn ʻAbd Allāh Khālidī1
- Ismāʻīl ibn Ṣāliḥ1
- Ismāʻīl Ṭarabzūnī1
- Istānbūlī, Darwīsh Muḥammad ibn Ḥasan1
- Jacobus Mafeus1
- Jafājī, Muḥammad1
- Jalāl, ʻAbd al-Muʻṭī, active 19th century1
- Janādana Karbelakara (Son of Narāyaṇa)1
- Jarmī, Yūnus ibn ʻAlī, active 18th century1
- Jarīm, Muṣṭafá ibn Sulaymān al-Qayṣarī1
- Jatārakṛṣṇa Bhaṭṭa1
- Jazīrī, Muḥammad ibn Muḥammad, active 18th century1
- Jazīrī, Yūsuf ibn ʻAbd Allāh, active 18th century1
- Jaʻfar ibn Muḥammad Bashrawānī1
- Jaʻfar ibn Muḥammad Iṣfahānī1
- Jaʻfar ibn Muṣṭafá Nakdahʹwī1
- Jaʻfar ibn Ḥasan Barzanjī1
- Jaʻfarī, Muḥammad ibn Muḥammad, active 19th century1