- Judges (Islamic law)1
- Judges--Selection and appointment1
- Judgment Day (Islam)1
- Jugurthine War (111-105 B.C.)5
- Julii family1
- Julius III, Pope, 1487-15552
- Justice, Administration of2
- Jāmiʻ al-Azhar5
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Jāmiʻ al-Umawī al-Kabīr (Aleppo, Syria)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Kansas--Lawrence1
- Kanz al-wuṣūl ilá maʻrifat al-uṣūl (Bazdawī, ʻAlī ibn Muḥammad)1
- Karaite manuscripts1
- Karaitic literature1
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)2
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Kemalpaşazade, 1468 or 1469-1534. Iṣlāḥ wa-al-īḍāḥ1