- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1
- Kings and rulers--Religious aspects1
- Kinship (Islamic law)1
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Knowledge, Theory of (Islam)1
- Kufic1
- Kumayl ibn Ziyād, 633 or 634-7011
- Legends1
- Logic, Medieval1
- Lumʻah al-Dimashqīyah (Shahīd al-Awwal, Muḥammad ibn Makkī)1
- Madrasah al-Ṭūlūnīyah (Jerusalem)1
- Maqdisī, Muḥammad ibn Aḥmad, -1501 or 15021
- Marriage--Religious aspects--Islam1
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Masjid al-Aqṣá (Jerusalem)1
- Mawrid al-ẓamʼān (Kharrāz, Muḥammad ibn Muḥammad)1
- Mawāhibī, Ibrāhīm ibn Maḥmūd, -1502 or 1503. Uṣūl muqaddimāt al-uṣūl1
- Maydūmī, Muḥammad ibn Muḥammad, -13531
- Medicine, Persian1