Name
- Mascarenhas, Fernando, Marques de Fronteira, of Add MS 350991
- Mascarenhas, Phelipe, Viceroy of the Portugues Indies1
- Massue, Henri, 2nd Marquis de Ruvigny, soldier and diplomat, 1648-17201
- Mayence, Archbishops, Electors of. John Frederic Charles von Ostein1
- Medici, Catherine, Queen Consort of Henry II, King of France; Queen Mother of Francois II, Charles IX and Henri III, Kings of France, 1519-15891
- Mello, Martin Alfonso, General1
- Mendez, Juan1
- Mendoça Corte Real, Diogo, Count, Portuguese Secretary of State1
- Menezes, Antonio Luis, Marquis de Marialva1
- Menezes, Joseph, Conde de Viana, Master of the Horse to Pedro II1
- Menezes, Luis, Conde de Ericeira, Viceroy of Goa1
- Menezes, Miguel, Duque de Caminha1
- Mexia, Martin Affonso, Bishop of Coimbra1
- Meyrelles, Manoel Antonio, Captain of Engineers1
- Mira de Amesena, Antonio1
- Moro, Sebastiano, Podestà of Treviso1
- Nuñez da Costa, Manoel1
- Orléans, Gaston Jean Baptiste, Duc d'1
- Orléans, Louise Elizabeth, Mademoiselle de Montpensier1
- Osorio de Castro, Jeronymo1