Famous People Whose Names Start With O
- O. Henry
- Oates, Joyce Carol
- Obama, Barack
- Obama, Malia
- Obama, Michelle
- Obama, Sasha
- Obereon, Merle
- Oberst, Conor
- O'Brien, Conan
- O'Brien, Mary
- O'Brien, Willis
- Ocasek, Ric
- Ocasio-Cortez, Alexandria
- Ocean, Frank
- Ockham, William of
- O'Connell, Billie Eilish Pirate Baird
- O'Connor, Flannery
- O'Connor, Sandra Day
- O'Connor, Sinead
- Octavian
- Octo-Mom
- Odenkirk, Bob
- Odets, Clifford
- Odetta
- Odom, Leslie Jr.
- O'Donnell, Rosie
- O'Donoghue, Michael
- Odysseus
- Oetzi Iceman
- Offerman, Nick
- Oh, Sadaharu
- Oh, Sandra
- O'Hair, Madalyn Murray
- O'Hara, Catherine
- O'Hare, Sarah
- Ohno, Apollo Anton
- Okakura, Tenshin
- O'Keeffe, Georgia
- Oklahoma City Bomber, The
- Oldman, Gary
- Oleynik, Larisa
- Oliver, John
- Oliver, Mary
- Oliver, Susan
- Olivier, Sir Laurence
- Olmert, Ehud
- Olmsted, Frederick Law
- Olsen, Ashley
- Olsen, Elizabeth
- Olsen, Mary-Kate
- Olsen Twins, The
- Olyphant, Timothy
- O'Malley, Martin
- O'Malley, Seán Patrick
- Omar, Ilhan
- Omarion
- Omar Khayyam
- Omarr, Sydney
- Onassis, Jacqueline Kennedy
- O'Neal, Shaquille
- One Direction
- O'Neill, Ed
- O'Neill, Eugene
- O'Neill, Jennifer
- Ono, Yoko
- Oppenheimer, J. Robert
- Oprah
- Ora, Rita
- Oracle of Omaha, The
- Orbison, Roy
- Ordon, Julie
- O'Reilly, Bill
- O'Reilly, Radar
- Orkin, Ruth
- Ortega, Daniel
- Orton, Arthur
- Orwell, George
- Osaka, Naomi
- Osbourne, Ozzy
- Osment, Emily
- Osmond, Donny
- Osmond, Marie
- Osteen, Joel
- Oswald, Lee Harvey
- Oswalt, Patton
- Otero-Warren, Nina
- Otis, Elisha Graves
- O'Toole, Peter
- Otto, Miranda
- Outcault, R.F.
- Outkast
- Ovid
- Owen, Clive
- Owen, Michael
- Owen, Wilfred
- Owens, Dana
- Owens, Jesse
- Owens, Terrell
- Oxford, Kelly
- Oyelowo, David
- Oyl, Olive
- Oz, Frank
- Oÿ, Jenna von
