- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 2-1762 or 3. Risālah fī ajzāʼ al-qaḍīyah1
- Khānī, Qāsim ibn Ṣalāḥ al-Dīn, 1618 or 1619-1697 or 1698. ʻIlm al-manṭiq1
- Kings and rulers--Duties1
- Kings and rulers--Religious aspects--Hinduism1
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Knowledge, Theory of (Hinduism)1
- Knowledge, Theory of (Islam)1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kāfī (Kulaynī, Muḥammad ibn Yaʻqūb)1
- Kārtavīryārjuna (Hindu deity)1
- Kārttikeya (Hindu deity)1
- Laments1
- Land tenure (Islamic law)1
- Land tenure--Law and legislation1
- Land use--Law and legislation1
- Lebanon1
- Legal ethics1
- Letter writing, Arabic1
- Letter writing, Turkish1