- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 1295. Majmaʻ al-baḥrayn5
- Illumination of books and manuscripts, Arab5
- Imamate5
- India5
- Iraq--Mosul5
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ5
- Islamic sects5
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah5
- Judaism5
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá5
- Jāmiʻ al-Azhar5
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)5
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)5
- Literary style5
- Manuscript fragments5
- Manuscripts, Samaritan5
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)5
- Masjid al-Aqṣá (Jerusalem)5
- Mathematics, Greek5
- Medicine, Medieval5