- Khalwatīyah1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khawāfī, Muḥammad ibn Muḥammad, 1356-1435. Awrād al-Zaynīyah1
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1
- Knowledge, Theory of (Islam)1
- Kumayl ibn Ziyād, 633 or 634-7011
- Kūrānī, Ibrāhīm ibn Ḥasan, 1616 or 1617-approximately 1690. Maslak al-taʻrīf1
- Language and languages--Style1
- Learning and scholarship1
- Legacies (Islamic law)1
- Libraries1
- Logic1
- Manuscripts, Persian1
- Manuscripts, Urdu1
- Mas̲navī (Jalāl al-Dīn Rūmī, Maulana)1
- Miscellanea1
- Mullā Ḥanafī, Muḥammad. Risālah al-Ḥanafīyah1
- Mursī, Aḥmad ibn ʻUmar, -1287 or 12881
- Music theory1
- Muslim martyrs1