Name
- Pigott, Arthur Leary, Attorney-General1
- Pitt, John, 2nd Earl of Chatham1
- Pitt, William, Prime Minister, called 'the younger', 1759-18061
- Plunket, William Conyngham, 1st Baron Plunket, Lord Chancellor of Ireland1
- Ponsonby, George, Lord Chancellor of Ireland1
- Pratt, John Jeffreys, 2nd Earl and 1st Marquess Camden, 1759-18401
- Pulteney, William, MP1
- Rawdon-Hastings, Francis, formerly Rawdon 2nd Earl of Moira, 1st Marquess of Hastings1
- Reeves, John, King's Printer1
- Rennell, James, cartographer, 1742-18301
- Rolle, John, Baron Rolle, politician, ?1751-18421
- Rose, George, PC, MP1
- Ryder, Dudley, 1st Earl of Harrowby1
- Seymour, Edward Adolphus, afterwards St Maur 11th Duke of Somerset1
- Sinclair, John, 1st Baronet, President Board of Agriculture1
- Smith, Anne, first wife of Robert 1st Baron Carrington1
- Smith, Robert, 1st Baron Carrington1
- Smith, William Sidney, Knight, naval officer, 1764-18401
- Spencer, George, 4th Duke of Marlborough1
- Spencer-Churchill, George, formerly Churchill 5th Duke of Marlborough1