Name
- Oxford University Railway Club1
- Pakenham, Francis Aungier, 7th Earl of Longford, politician and social reformer, 1905-20011
- Pakenham, Thomas Frank Dermot, son of 7th Earl of Longford1
- Parsons, Anne, wife of 6th Earl of Rosse1
- Parsons, Laurence Michael Harvey, 6th Earl of Rosse1
- Partridge, Ralph, called Reginald Sherring1
- Peacock, Edward Robert, Director of the Bank of England1
- Pennycuick, John, QC1
- Penrose, Alexander1
- Percival, Harold Franz, Colonel1
- Peto, Basil Arthur John, 1st Baronet, Major MP, son of Sir B E Peto1
- Peto, Basil Edward, 1st Baronet, of Barnstaple1
- Peto, Mary Matilda Annie, wife of Sir B E Peto 1st Baronet1
- Pigou, Arthur Cecil, Professor economist1
- Portal, Jane, secretary to Winston Churchill1
- Powell, Violet Georgiana, née Pakenham, 1912-20021
- Primrose League1
- Quennell, Peter Courtney, Knight, writer and editor, 1905-19931
- Ragg, Lonsdale, Ven. Archdeacon of Gibraltar1
- Rathbone, Eleanor, MP1