- Heraldry1
- Hercules (Roman mythological character)1
- Hermits1
- Historical geography1
- History--Sources1
- Horoscopes1
- Hospitals1
- Human anatomy1
- Humanistic ethics1
- Hungary1
- Hypothesis1
- Ibn Amīn al-Dawlah, al-ʻAfīf, active 15th century. Lamḥah al-ʻAfīfīyah fī al-ṭibb1
- Ibn Fahd, Aḥmad ibn Muḥammad, 1356 or 1357-1437 or 1438. Ghāyat al-ijāzah1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Iʻjāz al-taʻrīf fī ʻilm al-taṣrīf1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Sharḥ al-Kāfiyah al-shāfiyah1
- Ibn al-Biṭrīq, Yūḥannā, -approximately 8151
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʼīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Maʻūnah fī ʻilm al-ḥisāb al-hawāʼī.--Abridgment1
- Ibn al-Jazarī, Muḥammad ibn Muḥammad, 1350-1429. Arbaʻūn masʼalah min masāʼil muskhilah1
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjiz1