Author
- Inayat Khan1
- Inayet Efendi1
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Ismail al-Isfahani1
- Ismail bin Mohammad Rizi1
- Ismāʻīl Jarrāḥī1
- Ismāʻīl Mufīd1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Aḥmad Ibn al-Athīr1
- Ismāʻīl ibn Muḥammad Māzandarānī1
- Ismāʻīl ibn Muḥammad Qūnawī1
- Ismāʻīl ibn ʻAlī Ibn Muʻallá1
- Ismāʻīl ibn ʻAlī ibn al-Ḥāʼik1
- Isḥāq ibn Ibrāhīm Fārābī1
- Jalal al-Din Mohammad Tabrizi1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1
- Jamālī Ardistani1
- Jawad al-Amili1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jaʻfar Astarābādī1