Name
- MeMendelssohn-Bartholdy, Jakob Ludwig Felix1
- Monck, George, 1st Duke of Albemarle, army officer, 1608-16701
- Moors, John, Colonel; alias More; Mayor of Liverpool, Vice-admiral for counties Lancashire and Westmorland1
- Mores, William1
- Morris, William, of Add MS 380911
- Morton, Albertus, Secretary of State1
- Mussenden, Francis1
- Navy of England1
- Nicholas, Edward, Secretary of State, 1593-16691
- Orléans, Gaston Jean Baptiste, Duc d'1
- Osborne, George Godolphin, 10th Duke of Leeds1
- Owen, Richard, KCB, naturalist1
- Palatinate of the Rhine1
- Parker, John, of Add MS 380911
- Paston, William, of Add MS 380911
- Paulet, William, 1st Marquess of Winchester1
- Platt, William, of Add MS 380911
- Plessis, Armand Jean, Duke of Richelieu, cardinal and statesman, 1585-16421
- Powell, David, of Add MS 380911
- Power, Henry, Captain1