- Massi, Francesca1
- Materia medica5
- Materia medica, Vegetable3
- Mathematics10
- Mathematics, Arab17
- Mathematics, Greek3
- Mathematics, Jewish1
- Mathematics, Medieval1
- Mattei, Teo1
- Matteo, Bernardo di1
- Matteo, Giovanni di1
- Maurice, Saint, -approximately 2871
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)3
- Maximian, Emperor of Rome, approximately 240-3101
- 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