Name
- Pelham, Frances, daughter of H Pelham, Prime Minister1
- Pelham, Jane Cressett, wife of Henry Cressett Pelham, of Crowhurst1
- Pentland, John Connor1
- Perceval, Spencer, Prime Minister of the United Kingdom, 1762-18121
- Pery, Edmund Henry, 1st Earl of Limerick1
- Philby, George1
- Phipps, Henry, 1st Earl of Mulgrave1
- Pictet, Mare Auguste, Professor of Philosophy at Geneva1
- Pindar, George1
- Pitt, William, Prime Minister, called 'the younger', 1759-18061
- Pollock, William, Chief Clerk, Home Office1
- Pons, Antonio1
- Poore, Edward, ? of Rushall1
- Porcher, Du Pré1
- Poyntz, William Deane, British Chargé d'Affaires at Turin1
- Poyntz, William Stephen, MP for St. Albans1
- Pritchard, John, of Add MS 331091
- Proby, John Joshua, 1st Earl of Carysfort1
- Pye, Aleyne Hampden, Captain1
- Ranken, Charles, of Add MS 331091