- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marriage customs and rites1
- Marriage customs and rites, Medieval1
- Martino, Odino S., active 15th century1
- Masjid al-Aqṣá (Jerusalem)1
- Mass (Music)1
- Mathematicians, Arab1
- Mathematics, Medieval1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Maydūmī, Muḥammad ibn Muḥammad, -13531
- Małogoszcz (Poland)1
- Medici, Lorenzo de', 1449-14921
- Medicinal plants1
- Medicine1
- Medicine, Persian1
- Medicine--Study and teaching1
- Meistersinger1
- Mendoza, Antonio de, approximately 1492-15521
- Menorah1
- Mercenary troops1