- God (Islam)--Worship and love2
- Gold tooled bindings1
- Gulistān (Saʻdī)1
- Hadith19
- Hadith (Shiites)2
- Hadith--Authorities1
- Hadith--Terminology1
- Hanafites13
- Hanbalites2
- Headbands3
- Headgear--Religious aspects--Islam1
- History1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Kāfiyah al-shāfiyah1
- 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 al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Lumaʻ al-yasīrah fī ʻilm al-ḥisāb1
- Imams (Shiites)1
- Inheritance and succession (Islamic law)5
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Ishārāt wa-al-tanbīhāt (Avicenna)1