Name
- Petrie, Samuel, of Add MS 344141
- Petty, John Henry, Earl of Wycombe, and (1805) 2nd Marquis of Lansdowne1
- Pfaff de Pfaffenhoffen, Graf, ' Chargé des pouvoirs des princes, frères du Roi de France.'1
- Phelips, Simon, late one of the Rebel Deputy Commissaries.'1
- Phillimore, Joseph, Regius Professor of Civil Law at Oxford1
- Pierre Francois Basan and Poignant, Messrs, engravers1
- Pietri1
- Pindar, John Reginald Beauchamp, 3rd Earl Beauchamp1
- Pirch, Franz Otto von?, General1
- Pitt, William, 1st Earl of Chatham, Prime Minister, called 'the elder', 1708-17781
- Plunkett, Arthur James, 8th Earl of Fingall1
- Polignac, Gabrielle Yolande Claude Martine, wife of Armand Jules François, Duc de Polignac1
- Poll, Jean van1
- Popham, Home Riggs, Admiral1
- Porter, John, Bishop of Killala1
- Potocki, Stanilas Felix, Maréchal Général de la Confédération de Targowiça1
- Poulett-Thomson, Charles, Baron Sydenham (1840)1
- Powys, Thomas, MP for county Northamptonshire, afterwards Baron Lilford1
- Price, John, of Add MS 344581
- Priestley, Joseph1