- Marriage1
- Martellini, Vincenzio1
- Martini, Giovanni1
- Marucelli, Benedetto1
- Marucelli, Francesco, 1625-17031
- Mathematics1
- Medea, consort of Aegeus, King of Athens (Mythological character)1
- Medical education1
- Medici, Alessandro de', 1510-15371
- Medici, Bastiano de'1
- Medici, Elisabetta de'1
- Medici, Fernando de'1
- Medici, Francesca de'1
- Medici, Giulio de'1
- Medici, Lorenzo de', 1449-14921
- Medici, Niccolò de'1
- Medici, Nicolo de'1
- Medici, Ottavia Altoviti1
- Medicine--Study and teaching1
- Mediterranean Region1