Name
- Pellatt, Thomas, Secretary of Protestant Society for religious liberty1
- Penny, William Thayer1
- Penrose, John, Reverend; of Corpus Christi College, Oxford1
- Percy, George, Baron Lovaine, 2nd Earl of Beverley, 5th Duke of Northumberland1
- Pergami Vallotti, Francesco, late Accountant to Qu Caroline1
- Pering, Allen1
- Pfeffel, Christian Hubert, Baron Pfeffel von Kriegelstein, Bavarian Chargé d'Affaires in London1
- Phillips, S- H-, of Haverfordwest1
- Pieck, Jean, of Bordeaux1
- Piggott, Arthur Leary, Attorney-General1
- Pitt Club1
- Pitt, Mary Elizabeth, wife of John, 2nd Earl of Chatham1
- Pius VII, Pope1
- Pleydell-Bouverie, Jacob, formerly Bouverie 2nd Earl of Radnor1
- Pocock, Isaac, of Maidenhead1
- Pollock, William, Chief Clerk, Home Office1
- Pope, Alexander, of Add MS 384881
- Poppy, Charles, of Add MS 382921
- Port, London1
- Portman, Henry Berkeley1