Maur - Mich
- Maurice
- Maurice Chauncy
- Maurice Clenock
- Maurice de Sully
- Maurice Eustace
- Maurice le Sage d'Hauteroche d'Hulst
- Maurice O'Fihely
- Maurice, Saint
- Maurice-Jean de Broglie
- Maurists, The
- Maurus Corker
- Maurus Dantine
- Maurus Magnentius Rabanus, Blessed
- Maurus von Schenkl
- Maurus, Saint
- Maurus, Sylvester
- Maury, Jean-Siffrein
- Maxentius
- Maxentius, Joannes
- Maxentius, Marcus Aurelius
- Maxfield, Venerable Thomas
- Maximianopolis
- Maximianus
- Maximilian
- Maximilian Hell
- Maximilian I
- Maximilian van Der Sandt
- Maximinus Thrax
- Maximinus, Caius Valerius Daja
- Maximinus, Saint
- Maximopolis
- Maximus of Constantinople, Saint
- Maximus of Turin, Saint
- Maxwell, William
- Maxwell, Winifred
- Maya Indians
- Mayer, Christian
- Mayhew, Edward
- Mayne, Blessed Cuthbert
- Maynooth College