O’Brien, Conan
O’Brien, Conor Cruise
O’Connor, Flannery
O’Neill, Thomas P ‘Tip’
O’Rourke, P J
Oates, Joyce Carol
Ogilvy, David
Okakaura, Kakuzo
Oliphant, Margaret
Olivier, Laurence
Onassis, Aristotle
Onassis, Jacqueline Kennedy
Ono, Yoko
Orbach, Susie
Orman, Suze
Ortega Y Gasset, Jose
Orton, Joe
Orwell, George
Osbourne, Sharon
Osler, William
Ovid