Name
- Marescoe, Peter, at Rotterdam1
- Massue, Henri, 2nd Marquis de Ruvigny, soldier and diplomat, 1648-17201
- Matveev, Andrej Artamonovic, Russian envoy to the United Provinces1
- Maurocordatus, Alexander1
- Molesworth, John, 2nd Viscount Molesworth1
- Mordaunt, Charles, 1st Earl of Monmouth and 3rd Earl of Peterborough, Commander-in-Chief in Spain, and Ambassador in Spain, Germany, Rome, etc, c 1658-17351
- Moreau, Antony, Polish Envoy at the Hague1
- Muscovy Company1
- Nassauw, William, Deputy of the States-General in England1
- Neville, Grey1
- Newport, Richard, 2nd Earl of Bradford1
- Newton, Henry, Envoy to Florence; Knight 17151
- Osborne, Peregrine, Viscount Osborne of Dunblane, Earl of Danby 1689, Marquis of Carmarthen 1694, 2nd Duke of Leeds 17121
- Otway, Colonel; Commander-in-chief at Port Mahon1
- Oughton, Adolphus, Baronet , MP1
- Palm, Carl Joseph von, Count Imperial ambassador in London1
- Parker, George, of Park Hall, county Staffordshire1
- Pas, Isaac, Marquis de Feuquières, French Ambassador, 1618-16881
- Paterson, Marcus, Chief Justice of Common Pleas, Ireland1
- Pelham, James, Captain1