- Human reproduction1
- Humanistic ethics1
- Humanity of Jesus Christ1
- Humorous poetry, German1
- Hungary1
- Hussites1
- Hydrostatics1
- Hymns, Armenian1
- Hymns, Church Slavic1
- Hymns, Dutch1
- Hymns, Greek1
- Hymns, Judeo-Arabic1
- Hymns, Samaritan Aramaic1
- Hypothesis1
- Hārūn al-Rashīd, Caliph, approximately 763-8091
- Ibn Abī Jumhūr al-Aḥsāʾī, Muḥammad ibn ʻAlī, -approximately 1473. Masālik al-afhām1
- Ibn Abī al-Rijāl, ʻAlī, 1015 or 1016-1062 or 1063. Dalālah al-kullīyah ʻan al-ḥarakāt al-falakīyah1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Barrī, ʻAlī ibn Muḥammad, approximately 1261-approximately 1330. Sharḥ Mawrid al-ẓamʼān1
- Ibn Fahd, Aḥmad ibn Muḥammad, 1356 or 1357-1437 or 1438. Ghāyat al-ijāzah1