Name
- Oliver, Frederick Scott, of Messrs Debenham and Freebody, barrister and author1
- Oliver, Isaac, miniature painter1
- Opie, Amelia, Mrs novelist and poet1
- 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, Harald, photographer of Copenhagen1
- Page, Walter Hines, US diplomatist1
- Page, William Woods1
- Paget, James, 1st Baronet, surgeon1
- Pain, Barry Eric Odell, writer, 1864-19281
- Painlevé, Paul, mathematician and minister1
- Painter, Charles Samuel, Reverend1
- Palgrave, Francis Turner, poet and anthologist, 1824-18971
- Palgrave, Francis, Knight, archivist and historian, 1788-18611
- Palmer, Laura, wife of Roundell 1st Earl of Selborne1