Name
- Neufville, Nicholas de, Seigneur de Villeroy Secretary of State1
- Nevers, France1
- Neville, Edmund, self-styled Earl of Westmorland1
- Ogle, John1
- Onslow, Richard, Speaker of the House of Commons, d 15711
- Opitz, Martin, German poet1
- Orléans, Gaston Jean Baptiste, Duc d'1
- Outrelou, Paolo Mossario d'1
- Owen, Henry, recusant printer in exile1
- Oxenden, Arabella, 2nd wife of Sir James Oxenden 2nd Baronet1
- Oxenstierna, Axel, Count, Chancellor of Sweden1
- Palatinate of the Rhine1
- Parliament, Ireland1
- Parliament, Scotland1
- Pepys, Samuel, diarist1
- Perier,, Jean, of Brussels al Perrier1
- Peter II, of Portugal1
- Pfister, Charles?, of the Académie de Strasbourg1
- Philo Patritius, pseud1
- Philoleutheras, pseud1