O'Brien, Conan 4O'Brien, Edna 3O'Brien, P. 1O'Casey, Sean 1O'Connell, Daniel 3O'Connor, Carroll 1O'Connor, Flannery 12O'Connor, Frank 1O'Connor, Sandra Day 4O'Connor, Tom 2O'Day, Aubrey 1O'Donnell, Bridget 1O'Donnell, Emmett 1O'Faolain, Sean 1O'Hara, Catherine 1O'Hara, Neal 1O'Hara, Scarlett 1O'Hara, Theodore 1O'Keeffe, Georgia 6O'Keeffe, John 1O'Malley, Austin 13O'Neal, Shaquille 1O'Neil, Max 1O'Neil, Rose 1O'Neill, Eugene 7O'Neill, William L. 1O'Reilly, Bill 2O'Reilly, John Boyle 2O'Rourke, P. J. 21O'Shaughnessy, Arthur 1O'Walsh, Francis 1Oakley, Ann 1Oates, Adam 1Oates, Joyce Carol 2Oates, Wayne E. 1Obama, Barack 1Obama, Michelle 1Obasanjo, Olusegun 1Ocampo, Victoria 1Occam, William of 1Ocean, Billy 1Ochs, Phil 1Odets, Clifford 1Oech, Roger von 2Ogburn, Charlton 2Ogden, William 1Ogilvy, David 9Okri, Ben 8Olajuwon, Hakeem 2Olatunji, Babatunde 1Oldman, Gary 1Olford, Stephen 3Oliphant, Margaret 1Oliver, Gene 1Oliver, Mary 2Olivier, Sir Laurence 3Olmedo, Jose Joaquin 1Olmert, Ehud 2Olmos, Edward James 1Olmsted, Frederick Law 1Olsen, Ken 1Olsen, Tillie 2Olson, Charles 1Onassis, Aristotle 6Onassis, Christina 1Onassis, Jacqueline Kennedy 1Ono, Yoko 1Oppenheim, James 1Oppenheimer, J. Robert 8Optimist, The 1Orben, Robert 33Orczy, Baroness 1Origen 3Orlean, Susan 1Orman, Suze 9Ormandy, Eugene 1Ornish, Dean 1Orr, John Boyd 1Ortese, Anna Maria 1Orton, William A. 1Orwell, Animal Farm by George 1Orwell, George 62Osborn, Robert 1Osborne, Adam 2Osborne, John 1Osborne, Tom 1Osgood, Charles 1Osier, Sir William 3Osler, William 9Osmond, Marie 1Osteen, Joel 18Otis, James 2Otto, Herbert 1Otto, Rudolf 1Ouida 9Oursler, Fulton 3Ouspensky, P. D. 2Overbury, Thomas 1Overby, Mark 1Overstreet, Bonaro 4Overstreet, Harry A. 3Ovid 52Owen, John 2Owen, Robert Dale 2Owens, Bill 10Owens, Buck 1Owens, Gary 1Owens, Jesse 4Oxenham, John 3Oxenhorn, Harvey 1Oz, Amos 1Oz, Mehmet 1Ozick, Cynthia 6 