- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam--Customs and practices1
- Islam--Prayers and devotions1
- Islamic eschatology1
- Islamic interpretations of Jesus Christ1
- Islamic learning and scholarship1
- Islamic magic1
- Islamic poetry1
- Islamic sermons, Arabic1
- Judgment Day (Islam)1
- Jumʻah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Kaʻb al-Aḥbār, -655 or 6561
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khiḍr (Legendary character)1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Legacies (Islamic law)1
- Liquor laws (Islamic law)1