- Manuscripts, Quiché1
- Manuscripts, Sinhalese1
- Manuscripts, Tamil1
- Manuscripts, Tzutuhil1
- Maqāmāt (Ḥarīrī)1
- Margaret, of Antioch, Saint1
- Margarita, de Austria, Queen, consort of Philip III, King of Spain, 1584-16111
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Marriage (Canon law)--Dispensations1
- Marriage (Roman law)1
- Marshals1
- Mary Magdalene, Saint1
- Mary, Blessed Virgin, Saint, in the liturgy--Orthodox Eastern Church1
- Mary, of Bethany, Saint1
- Mass (Music)1
- Materia medica1
- Materia medica, Vegetable1
- Maxims1
- Mayenne, Charles de Lorraine, Duc de, 1554-16111
- Meat inspection (Jewish law)1