- Islamic countries1
- Islamic etiquette1
- Isra' and Mi`raj of the Prophet Muhammad1
- Jewish ethics1
- Judaism1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Kemalpaşazade, 1468 or 1469-1534. Īḍāḥ al-iṣlāḥ1
- Khalwatī, Ayyūb ibn Aḥmad, -1660 or 1661. Mawwāl1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khwājahʹzādah, Muṣṭafá ibn Yūsuf, -1487 or 14881
- Knowledge, Theory of (Islam)1
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-jalī fī ḥukm shaṭḥ al-walī1
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)1
- Legacies (Islamic law)1
- Malikites1
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Martyrdom--Islam1
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)1