- Hadith--Forgeries1
- Hair--Dyeing and bleaching1
- Hair--Religious aspects--Islam1
- Handbooks and manuals1
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)1
- 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
- Intellect--Religious aspects--Islam1
- Interest (Islamic law)1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Islam and politics1
- Islam--Miscellanea--Early works to 18001
- Islamic calendar1
- Islamic cosmology1
- Islamic decorative arts1