- Khiḍr (Legendary character)1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Mukhtaṣar1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Latin language1
- Latin language--Grammar1
- Law1
- Laylat al-Barāʼah1
- Lebanon1
- Letter writing, French1
- Literature1
- Longevity--Religious aspects--Islam1
- Love1
- Manuscripts1
- Manuscripts, English (Middle)1
- Manuscripts, French1
- Manuscripts, Ladino1
- Manuscripts, Spanish1