Name
- Ordnance Office1
- Orsini, Anne Marie, née de la Trémoille, Princesse des Ursins, wife of Flavio Orsini, Duke of Bracciano1
- Overbury, Nicholas, of Bourton-on-the-Hill1
- Overbury, Thomas, of Add MS 347381
- Paleotti, Ferdinand, Marquis1
- Parry, Mary, of Luddington1
- Paulet, Hampden1
- Paulet, William, 3rd Marquis of Winchester1
- Pemberton, Francis1
- Penn, William, of Add MS 347271
- Piers, John, Bishop of Salisbury, afterwards Archbishop of York1
- Poley, Edmund, Envoy to Hanover, Zell and Wolffenbüttel1
- Portugal, Anna Maria Capeche Galeota of, widow of Louis William titular Prince of Portugal1
- Puckering, Henry, Baronet, formerly Newton1
- Puckering, Thomas, 1591-1637, http://isni.org/isni/000000...1
- Pöllnitz, Carl Ludwig, Baron, Grand Master of the Ceremonies1
- Ratcliffe, Henry, 4th Earl of Sussex1
- Rawlinson, Richard, FRS1
- Razer, Peter, of Hornchurch1
- Reeves, William, of Prince Rupert's dragoons1