- God--Omniscience1
- God--Proof, Ontological1
- God--Simplicity1
- 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
- Horsemanship1
- Ibn Daqīq al-ʻĪd, Muḥammad ibn ʻAlī, 1228-1302. ʻAqīdah1
- Ibn Nawbakht, Ibrāhīm, 10th cent. Yāqūt1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Fatāwá al-Zaynīyah1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir1