- Islamic calendar1
- Islamic education1
- Islamic eschatology1
- Islamic literature, Arabic1
- Islamic magic1
- Islamic rosary1
- Islamic sects1
- Italy1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Judaism1
- Judges (Islamic law)1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmī, 1414-1492. Tafsīr al-fātiḥah al-sharīfah1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, -1345. Mughnī fī al-naḥw1
- Jārūdī, Nāṣir ibn Muḥammad, active 18th century1
- Jīlī, ʻAbd al-Karīm ibn Ibrāhīm, 1365 or 1366- Risālat al-Tawḥīd1
- Kalbī, Diḥyah ibn Khalīfah, -approximately 6701
- Karmī, Marʻī ibn Yūsuf, -1623 or 16241
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1