Name
- Maximilian II, Emperor of Germany3
- Mayer, John Baptist3
- Merret, Christopher, MD; Librarian to the College of Physicians3
- Milward, Edward, MD3
- Moehring, Paulus Henricus Gerardus3
- Montagu, Ralph, 1st Duke of Montagu3
- Montague, Charles, Earl of Halifax3
- Mundanus, Theodorus3
- Newman, Henry, Secretary of the Society for the Propagation of Christian Knowledge3
- Peck, Philip, of Sloane MS 40523
- Penotus, Bernardus Georgius3
- Philip II, of Naples and Sicily3
- Philip III, King of Spain3
- Philip IV, of Spain, 1605-16653
- Picenini, Antony, MD3
- Pitcairne, Archibald, physician and poet, d 17133
- Pitot, Henri, FRS; French physicist3
- Plowden, William3
- Powell, John, MD, of Carmarthen and Pembroke3
- Privat de Molieres, Joseph3