Mail - Maro
- Mailla, Joseph-Anna-Marie de Moyria de
- Maillard, Antoine-Simon
- Maillard, Oliver
- Maimbourg, Louis
- Maimonides, Teaching of Moses
- Maina Indians
- Maine
- Maine de Biran
- Maine de Biran, François-Pierre-Gonthier
- Maintenon, Françoise, Marquise de
- Mainz
- Maipure Indians
- Maisonneuve, Paul de Chomedey de
- Maistre, Joseph-Marie, Comte de
- Maistre, Xavier de
- Maitland
- Majano, Benedetto da
- Majella, St. Gerard
- Majorca and Iviza
- Majorca and Iviza, Diocese of
- Majordomo
- Majority
- Majunke, Paul
- Making of the Catholic Encyclopedia
- Malabar
- Malabar Rites
- Malacca
- Malachias
- Malachias O'Queely
- Malachy, Saint
- Malaga
- Malagrida, Gabriel
- Malatesta, House of
- Malchus
- Maldonado, Juan
- Malebranche, Nicolas
- Malediction
- Malediction (in Scripture)
- Malherbe, François
- Maliseet Indians
