- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kemalpaşazade, 1468 or 1469-1534. Iṣlāḥ wa-al-īḍāḥ1
- Khaṭīb al-Tamartāshī, Muḥammad ibn ʻAbd Allāh, 1532 or 1533-1595 or 1596. Minaḥ al-ghaffār1
- Khiḍr (Legendary character)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Knowledge, Theory of (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Land tenure1
- Latin language1
- Laughter--Religious aspects--Islam1
- Learning and scholarship1
- Legends1
- Letter writing, Turkish1
- Letters patent1
- Libel and slander--Religious aspects--Islam1
- Logic, Medieval1
- Love poetry, Arabic1
- Love poetry, English (Middle)1
- Lute music1
- Maghribī, Aḥmad ibn ʻAbd al-Razzāq, -1684 or 1685. Manẓūmat al-shuhadāʼ1