Author
- Marcus Ulpius Julianus1
- Martin of Braga1
- Martin of Opava1
- Martin of Tours1
- Masawaih1
- Matteo Palmieri1
- Matteo Piccolomini1
- Matteo d'Alessandro d'Andrea Todeschini Piccolomini1
- Matthaeus Platearius1
- Matthew Paris1
- Matthew of Vendôme1
- Matthias von Liegnitz1
- Maurice Scève1
- Mauro Verdoni1
- Medingen Abbey1
- Mehmed II1
- Meir ben Solomon Alguadez1
- Michael of Massa1
- Michele Zopello1
- Monastery of San Andrés de Fanlo1