- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām2
- India--Mysore2
- Iraq--Baghdad2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubāb al-iʻrāb2
- Iskandarnāmah (Niẓāmī Ganjavī)2
- Islam and philosophy2
- Islam--History--Handbooks, manuals, etc--Early works to 18002
- Islam--Miscellanea--Early works to 18002
- Islam--Terminology2
- Islamic heresies2
- Islamic interpretations of Adam2
- Islamic law--Sources2
- Islamic meditations2
- Italy2
- Italy--Venice2
- Jalāl al-Dīn Rūmī, Maulana, 1207-12732
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Jārabardī, Aḥmad ibn al-ḥusayn, d. 1346. Sharḥ al-Shāfiyah2
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, d. 1345. Mughnī fī ʻilm al-naḥw2