Name
- Orléans, Louis Philippe Albert d', Comte de Paris1
- Ouless, Walter William, portrait painter1
- Owen, Richard, KCB, naturalist1
- Owen, Robert, socialist and philanthropist1
- Paderewski, Ignacy Jan, Prime Minister of Poland, composer and pianist, 1860-19411
- Paetz, Harald, photographer of Copenhagen1
- Page, Walter Hines, US diplomatist1
- Page, William Woods1
- Paget, James, 1st Baronet, surgeon1
- Painlevé, Paul, mathematician and minister1
- Palmer, Roundell, 1st Baron and 1st Earl of Selborne, Lord Chancellor1
- Palmer, Samuel, painter, etcher, print maker, 1805-18811
- Palmer, William, murderer1
- Panizzi, Anthony, Knight, librarian at the British Museum, 1797-1879, http://isni.org/isni/000000...1
- Parkinson, William, artist1
- Parratt, Walter, Knight; organist and composer, 1841-19241
- Parry, Charles Hubert Hastings, Baronet , composer, 1848-19181
- Parsons, Alfred, RA1
- Partridge, Bernard, Knight, artist, 1861-19451
- Patteson, John Coleridge, missionary1