Name
- Menezes, Rui, statesman, fl 1624-16251
- Mesquita, Phelippe da, Portuguese Secretary of State1
- Mexia, Martin Affonso, Bishop of Coimbra1
- Meyrelles, Manoel Antonio, Captain of Engineers1
- Monterroyo, Fernao Duarte1
- Monterroyo, Joze Freire1
- Moro, Sebastiano, Podestà of Treviso1
- Motta de Cravalho, Vicente da1
- Moura, Christofe, Marques de Castel Rodrigo1
- Muscettola, Michele, of Naples1
- Mühler, Carl1
- Navaes, Paulo Diaz, Governor of Angola1
- Navarre y Rocafull, Melchor, Duque de Palata, Viceroy of Peru1
- Navy of France1
- Nuñez da Costa, Manoel1
- O'Reilly, Alexander, Count, Lieutenant-General; Governor of Cadiz1
- Orléans, Louise Elizabeth, Mademoiselle de Montpensier1
- Orry, Philibert, Comte de Vignory, Comptroller-General of French Finances1
- Orsini, Anne Marie, née de la Trémoille, Princesse des Ursins, wife of Flavio Orsini, Duke of Bracciano1
- Orsini, Family1