- Harawī, ʻUmar, active 13th century. Hārūnīyah fī al-taṣrīf1
- Hell--Islam1
- Hemorrhoids1
- Herbs1
- Hibah1
- Historical geography1
- Historiography1
- History--Philosophy1
- Home economics1
- Homosexuality--Religious aspects--Islam1
- Horology1
- Horsemanship1
- Human anatomy1
- Hunting1
- Hurufis1
- Hāmilī, Abū Bakr ibn ʻAlī ibn Mūsá, d. 1367. Durr al-muhtadī wa-dhukhr al-muqtadiʼ1
- Hārūn al-Rashīd, Caliph, approximately 763-8091
- Ibn Abī al-Rijāl, ʻAlī, 1015 or 1016-1062 or 1063. Dalālah al-kullīyah ʻan al-ḥarakāt al-falakīyah1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Fahd, Aḥmad ibn Muḥammad, 1356 or 1357-1437 or 1438. Ghāyat al-ijāzah1