Name
- Monastery of St Catherine, Mount Sinai, Mid 6th century-1
- Mont, Pol1
- Montaigne, Michel1
- Montaña, José Fernandez1
- More, Thomas, Saint, Lord Chancellor, humanist, and martyr, 1478-1535, http://isni.org/isni/000000...1
- Morgan, John Pierpont, Financier, 1837–19131
- Morgan, John Pierpont, of MS Facsimile Suppl. II1
- Mozart, Wolfgang Amadeus, composer, 1756-17911
- Napier, Arthur Sampson1
- Omont, Henri Auguste, of the Bibliothèque Nationale Paris1
- Ordericas Vitalis1
- Ostendorfer, Hans1
- Otfrid, monk of Weis8enburg, Alsace1
- Otho III, Holy Roman Emperor, 980-10021
- Ovidius Naso, Publius, Roman poet, 43 BC-17, http://isni.org/isni/000000...1
- Oxford University of St John's College1
- Paterius1
- Patrick, St1
- Peterborough Abbey, Northamptonshire1
- Petrie, William Matthew Flinders, Knight, Egyptologist, 1853-1942, http://viaf.org/viaf/99631391