- Healing--Religious aspects--Islam1
- Hell--Islam1
- Hemorrhoids1
- Herbs1
- Hermes, Trismegistus1
- Historiography1
- History--Philosophy1
- Homosexuality in literature1
- Horology1
- Hunting1
- Hurufis1
- Hygiene1
- Hārūn al-Rashīd, Caliph, approximately 763-8091
- Ibadites--Doctrines1
- Ibn Abī al-Rijāl, ʻAlī, 1015 or 1016-1062 or 1063. Dalālah al-kullīyah ʻan al-ḥarakāt al-falakīyah1
- Ibn Amīn al-Dawlah, al-ʻAfīf, active 15th century. Lamḥah al-ʻAfīfīyah fī al-ṭibb1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Daqīq al-ʻĪd, Muḥammad ibn ʻAlī, 1228-1302. ʻAqīdah1
- Ibn Fahd, Aḥmad ibn Muḥammad, 1356 or 1357-1437 or 1438. Ghāyat al-ijāzah1
- Ibn Jumayʻ, Hibat Allāh ibn Zayn, -1198. Taṣrīḥ bi-al-maknūn fī tanqīḥ al-Qānūn1