- Human reproduction1
- Human sacrifice--Hinduism1
- Humanistic ethics1
- Humanity of Jesus Christ1
- Humorous poetry, German1
- Hungary1
- Hurufis1
- Hussites1
- Hydrostatics1
- Hymnals1
- Hymns, Armenian1
- Hymns, Church Slavic1
- Hymns, Hebrew1
- Hymns, Judeo-Arabic1
- Ibn Abī Jumhūr al-Aḥsāʾī, Muḥammad ibn ʻAlī, -approximately 1473. Masālik al-afhām1
- Ibn Barrī, ʻAlī ibn Muḥammad, approximately 1261-approximately 1330. Sharḥ Mawrid al-ẓamʼān1
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh1
- Ibn Kathīr, ʻAbd Allāh, 665 or 666-738 or 7391
- Ibn Maktūm, Aḥmad ibn ʻAbd al-Qādir, 1284-1348. Manẓūanah rāʼīyah1
- Ibn Qutaybah, ʻAbd Allāh ibn Muslim, 828-889? Adab al-kātib1