- Imams (Shiites)1
- Inheritance and succession (Islamic law)1
- Islam and politics1
- Islam--Customs and practices1
- Islam--Rituals1
- Islamic etiquette1
- Islamic interpretations of Adam1
- Islamic law--Interpretation and construction1
- Judges (Islamic law)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-14131
- Kaʻb al-Aḥbār, -655 or 6561
- Kemalpaşazade, 1468 or 1469-1534. Risālah fī al-haykal al-insānī1
- Khiḍr (Legendary character)1
- Kings and rulers--Religious aspects1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-taʻrīf1
- Legacies (Islamic law)1
- Mahdi1
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)1
- Mathematics, Arab1