- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)6
- Maximian, Emperor of Rome, approximately 240-3101
- Maḥbūbī, Maḥmūd ibn ʻUbayd Allāh, -1344 or 1345. Wiqāyat al-riwāyah fī masāʼil al-Hidāyah1
- Maḥbūbī, ʻUbayd Allāh ibn Masʻūd, -1346 or 1347. Wishāḥ fī al-maʻānī wa-al-bayān1
- Maḥzor2
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)2
- Mecco, Francesca di1
- Mecco, Xalento di1
- Medea, consort of Aegeus, King of Athens (Mythological character)2
- Medical astrology1
- Medici, Alamanno de'1
- Medici, Bernardo de'1
- Medici, Giovanni de'2
- Medici, Giovenco de'1
- Medici, Giuliano de'1
- Medici, House of10
- Medici, Lorenzo de', 1449-14923
- Medici, Niccolò de'1
- Medici, Vanne de'1
- Medicinal plants1