- God--Proof, Ontological1
- Golden verses1
- Hadith (Shiites)1
- Hadith--Authorities1
- Hadith--Forgeries1
- Hadith--Prophecies1
- Hadith--Terminology1
- Hair--Religious aspects--Islam1
- Hell--Islam1
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)1
- Historiography1
- Homosexuality--Religious aspects--Islam1
- Horology1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Fatāwá al-Zaynīyah1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir1
- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- Ibn Shukr, ʻAbd Allāh ibn ʻAlī , 1153-12251
- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-13281