- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjaz fī al-ṭibb1
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 5. Majmaʻ al-baḥrayn wa-multaqá al-nayyirayn1
- Ibn ʻUmrān, Muḥammad ibn Mūsá, 1392-14691
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj1
- Ikmāl (Ibn Mākūlā, ʻAlī ibn Hibat Allāh)1
- Interfaith relations1
- Iran--Shīrāz1
- Iraq--Erbil1
- Islamic calendar1
- Islamic etiquette1
- Islamic heresies1
- Islamic learning and scholarship1
- Islamic magic1
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-13701
- Israel--Acre1
- Israel--Tsefat1
- Iḥyāʼ ʻulūm al-dīn (Ghazzālī)1
- Jammāʻīlī, ʻAbd al-Ghanī ibn ʻAbd al-Wāḥid, 1146-12031
- Jamʻ bayna al-ṣaḥīḥayn (Ḥumaydī, Muḥammad ibn Fattūḥ)1
- Judaism1