- Judaism1
- Judgment Day (Islam)1
- Khiḍr (Legendary character)1
- Khānaqāh-i Niʻmat Allāhī1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Languages, Secret1
- Love poetry, Arabic1
- Mahdi1
- Malikites1
- Manuscripts, Byzantine1
- Manuscripts, Latin (Medieval and modern)1
- Masnavis, Persian1
- Masnavis, Turkish1
- Massachusetts--Williamstown1
- Materia medica1
- Mathal al-sāʼir fī adab al-kātib wa-al-shāʻir (Ibn al-Athīr, Ḍiyāʼ al-Dīn Naṣr Allāh ibn Muḥammad)1
- Medicine, Persian1
- Mevleviyeh1
- Middle East1
- Miniature painting, Iranian1