Name
- Morton, Thomas, Bishop of Coventry and Lichfield and (1632) of Durham1
- Murray, John, 2nd Earl of Atholl1
- Mynne, John, Captain1
- Netherlands, Southern Provinces. Governors of. John, Don, of Austria1
- Netherlands, Southern Provinces. Governors of. Leopold William, Archduke of Austria1
- Nicholas, Edward, Secretary of State, 1593-16691
- Nieupoort, Willem, Dutch Ambassador in England1
- O'Brien, Murrough, 1st Earl of Inchiquin1
- O'Bryan, Mortough, Colonel1
- O'Dowd, Teige, of Castle Connor, county Sligo1
- Osiris, -, fl 16551
- Overton, Robert, Parliamentarian army officer, c 1608-c 16781
- Owen, John, DD; Dean of Christ Church, Oxford1
- Oxenstierna, Axel, Count, Chancellor of Sweden1
- Pels, Paulus Philipp, Dutch Commissary at Danzig1
- Petit, Reginald1
- Petkum, Simon, Danish Resident in England1
- Philip II, King of Spain; King of Naples and Sicily, 1527-15981
- Philip IV, of Spain, 1605-16651
- Phitton, C.1