- Hindu women2
- Historiated initials2
- Horology2
- Horses2
- Huguenots2
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh2
- Ibn Malak, ʻAbd al-Laṭīf ibn ʻAbd al-ʻAzīz. Sharḥ Manār al-anwār fī uṣūl al-fiqh2
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir2
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Murshidat al-ṭālib ilá asná al-maṭālib2
- Ibn al-Muqrī, Ismāʻīl ibn Abī Bakr, 1354-1433 or 1434. Rawḍ al-ṭālib2
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar2
- Illumination of books and manuscripts2
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām2
- India--Mughal Empire2
- Inference2
- Inquisition2
- Intellectual life2
- Interfaith relations2
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)2
- Iraq--Baghdad2