Name
- Pells Office1
- Percy, Algernon, 10th Earl of Northumberland1
- Percy, Hugh, formerly Smithson 2nd Duke of Northumberland1
- Peterhouse, University of Cambridge1
- Petre, John, of Add MS 330851
- Philip V, King of Spain1
- Piggott, Mary1
- Pilkington, Thomas, of Add MS 330841
- Pisani, Antonio1
- Poisson, Jeanne Antoinette, Marquise de Pompadour1
- Ponsonby, Frederick, 3rd Earl of Bessborough1
- Poole, Francis, 2nd Baronet, fl 1733-17631
- Poole, Reverend1
- Poole, William, junior, of Poole1
- Poole, William, senior, of Poole1
- Porteous, John, Captain1
- Princes of Wales1
- Privy Council, The1
- Purvis, L-1
- Radcliffe, Arthur1