- Hadith--Forgeries1
- Haft awrang (Jāmī)1
- Hair--Religious aspects--Islam1
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)1
- Historiography1
- History, Ancient1
- History--Philosophy1
- Horses1
- Ibn Faraḥ, Aḥmad ibn Muḥammad, -1300. Manẓūmah al-Ishbīlīyah1
- Ibn al-Sarrāj, Aḥmad ibn Abī Bakr, active 14th century1
- Ibn al-ʻArabī, 1165-12401
- Ibn al-ʻArabī, 1165-1240. Works1
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar1
- Imamate1
- Imams (Shiites)1
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām1
- Inheritance and succession1
- Intellect--Religious aspects--Islam1
- Interest (Islamic law)1
- Iran--Khurāsān1