- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)3
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār3
- Jagadīśatarkālaṅkāra. Jāgadīśī3
- James, the Greater, Saint3
- Jewish interpretations of Jesus Christ3
- Jewish marriage customs and rites3
- Jewish martyrs3
- Jewish poetry3
- Jewish prayers for rain3
- Jewish religious poetry3
- Jewish religious poetry, Judeo-Arabic3
- Jewish religious poetry, Ladino3
- Jews--Charitable contributions3
- Jews--Legal status, laws, etc.3
- Jinn3
- John, the Apostle, Saint3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah3
- Kashmir Śaivism3
- Khafrī, Muḥammad, -1407 or 1408. Ḥāshīyah ʻalá Sharḥ al-Qūshjī ʻalá al-Tajrīd3
- Knights of Malta3