Name
- O'Dwyer, Michael Francis, GCIE1
- Oliver, Isaac, miniature painter1
- Orléans, Louis Charles Philippe Raphael d', Duc de Nemours, 2nd son of Louis Philippe King of the French1
- Orléans, Louis Philippe Albert d', Comte de Paris1
- Osborne, Thomas, 1st Duke of Leeds, 1632-17121
- 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, H.1
- Paetz, Harald, photographer of Copenhagen1
- Page, Walter Hines, US diplomatist1
- Page, William Woods1
- Paget, James, 1st Baronet, surgeon1
- Painlevé, Paul, mathematician and minister1
- Palmer, Laura, wife of Roundell 1st Earl of Selborne1
- Palmer, Samuel, painter, etcher, print maker, 1805-18811
- Palmer, William Waldegrave, 2nd Earl of Selborne, politician, 1859-19421
- Palmer, William, murderer1
- Panizzi, Anthony, Knight, librarian at the British Museum, 1797-1879, http://isni.org/isni/000000...1