- Hadith--Authorities1
- Hadith--Criticism, interpretation, etc--Early works to 18001
- Hadith--Texts2
- Hair--Religious aspects--Islam1
- Hair--Removal1
- Hanafites53
- Hanbalites6
- Headbands18
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)2
- History2
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Kāfiyah al-shāfiyah1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah1
- Ibn Taymīyah, ʻAbd al-Salām ibn ʻAbd Allāh, 1193 or 1194-1254 or 1255. Muḥarrar fī al-fiqh1
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, -1366 or 1367. Qaʼid al-sharāʼid wa-naẓm al-fawāʼid1
- Ibn al-ʻImād al-Aqfahsī, Aḥmad, approximately 1349-1405. Manẓūmah fī al-najāsāt al-maʻfū ʻanhā1
- Ijtihād (Islamic law)1
- Illuminations (painting)1
- Imamate1
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām2