- Kemalpaşazade, 1468 or 1469-1534. Risālah fī al-haykal al-insānī1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Knowledge, Theory of (Islam)1
- Kumayl ibn Ziyād, 633 or 634-7011
- Language and languages--Philosophy1
- Libel and slander--Religious aspects--Islam1
- Libraries1
- Literary style1
- Lumʻah al-Dimashqīyah (Shahīd al-Awwal, Muḥammad ibn Makkī)1
- Madrasah al-Ṭūlūnīyah (Jerusalem)1
- Malikites1
- Manuscripts, Renaissance1
- Manẓūmah al-Bayqūnīyah (Bayqūnī, Ṭāhā ibn Muḥammad)1
- Maqdisī, Muḥammad ibn Aḥmad, -1501 or 15021
- Marghīnānī, Maḥmūd ibn Aḥmad, 1156 or 1157-1219 or 1220. Muḥīṭ al-burhānī fī al-fiqh al-Nuʻmānī.--Abridgment1
- Marghīnānī, ʻAlī ibn Abī Bakr, -1196 or 11971
- Marriage (Islamic law)1