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O Oasis, rock group Joyce Carol Oates, writer Barack Obama, U.S. President Bo “First Dog” Obama, dog, political relative Malia Obama, political relative Michelle Obama, political relative Sasha Obama, political relative Kate O’Beirne , political commentator Merle Oberon, actress Conor Oberst, singer, songwriter Patrick O’Brian, novelist Conan O’Brien, talk show host, writer Willis O’Brien, animator Frank Ocean, singer, songwriter Ellen Ochoa, Astronaut Carroll O’Connor, actor Sandra Day O’Connor, jurist Sinead O’Connor, singer, songwriter Bob Odenkirk, actor, comedian Clifford Odets, playwright, screenwriter Odetta, singer, activist Chris O’Donnell, actor Rosie O’Donnell, talk show host, actor, comedian Michael O’Donoghue, writer, actor Odysseus, literary hero Nick Offerman, actor Sadaharu Oh, baseball player Sandra Oh, actress Madalyn Murray O’Hair, religious figure, activist Catherine O’Hara, actor, writer Maureen O’Hara, actress Sarah O’Hare, model Apolo Anton Ohno, speed skater John Okada , novelist Okakura Tenshin (Kakuzo), educator, critic Scott Oki , computer executive Gary Oldman, actor Larisa Oleynik, actor Lena Olin, actress Mary Oliver, poet John Oliver, comedian Susan Oliver, actor Sir Laurence Olivier, actor Edward James Olmos, actor, producer Ashley Olsen, actor, fashion designer Mary-Kate Olsen, actor Ashley and Mary-Kate Olsen, twin child stars Timothy Olyphant, actor Seán O’Malley, religious figure Omarion, singer Sydney Omarr, writer, astrologer Christina Onassis, shipping executive Jacqueline Kennedy Onassis, U.S. first Lady Ryan O’Neal, actor Shaquille O’Neal, basketball player Tatum O’Neal, actress Ed O’Neill, actor Paul H. O’Neill, George W. Bush’s secretary of the Treasury Yoko Ono, artist Michael Ontkean, actor Opechancanough, Pamunkey Indian chief; later chief of Powhatan Confederacy Rita Ora, singer, actor, TV personality, fashion icon Jerry Orbach, actor Roy Orbison, country singer, songwriter, rock musician Wild Orchid, pop musicians Julie Ordon, model Bill O’Reilly, TV personality Dolores O’Riordan , lead singer, lyricist Ruth Orkin, photographer, filmmaker Julia Ormond, actress Arthur Orton, fraud Joan Osborne Ozzy Osbourne, rock musician Donny Osmond, singer Marie Osmond, singer, actor Emily Osment, actor Lee Harvey Oswald, assassin Patton Oswalt, actor, comedian Peter O’Toole, actor Miranda Otto, actor R.F. Outcault, cartoonist, illustrator Francoise Outelas, early French colonial settler, businesswoman Outkast, rappers Clive Owen, actor Michael Owen, soccer player Wilfred Owen, poet, soldier Jesse Owens, runner, athlete Terrell Owens, football player Kelly Oxford, internet celebrity, writer Jenna von Oy, actor David Oyelowo, actor Olive Oyl, comic strip character Frank Oz, puppeteer, filmmaker top A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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O

  • Oasis, rock group
  • Joyce Carol Oates, writer
  • Barack Obama, U.S. President
  • Bo “First Dog” Obama, dog, political relative
  • Malia Obama, political relative
  • Michelle Obama, political relative
  • Sasha Obama, political relative
  • Kate O’Beirne , political commentator
  • Merle Oberon, actress
  • Conor Oberst, singer, songwriter
  • Patrick O’Brian, novelist
  • Conan O’Brien, talk show host, writer
  • Willis O’Brien, animator
  • Frank Ocean, singer, songwriter
  • Ellen Ochoa, Astronaut
  • Carroll O’Connor, actor
  • Sandra Day O’Connor, jurist
  • Sinead O’Connor, singer, songwriter
  • Bob Odenkirk, actor, comedian
  • Clifford Odets, playwright, screenwriter
  • Odetta, singer, activist
  • Chris O’Donnell, actor
  • Rosie O’Donnell, talk show host, actor, comedian
  • Michael O’Donoghue, writer, actor
  • Odysseus, literary hero
  • Nick Offerman, actor
  • Sadaharu Oh, baseball player
  • Sandra Oh, actress
  • Madalyn Murray O’Hair, religious figure, activist
  • Catherine O’Hara, actor, writer
  • Maureen O’Hara, actress
  • Sarah O’Hare, model
  • Apolo Anton Ohno, speed skater
  • John Okada , novelist
  • Okakura Tenshin (Kakuzo), educator, critic
  • Scott Oki , computer executive
  • Gary Oldman, actor
  • Larisa Oleynik, actor
  • Lena Olin, actress
  • Mary Oliver, poet
  • John Oliver, comedian
  • Susan Oliver, actor
  • Sir Laurence Olivier, actor
  • Edward James Olmos, actor, producer
  • Ashley Olsen, actor, fashion designer
  • Mary-Kate Olsen, actor
  • Ashley and Mary-Kate Olsen, twin child stars
  • Timothy Olyphant, actor
  • Seán O’Malley, religious figure
  • Omarion, singer
  • Sydney Omarr, writer, astrologer
  • Christina Onassis, shipping executive
  • Jacqueline Kennedy Onassis, U.S. first Lady
  • Ryan O’Neal, actor
  • Shaquille O’Neal, basketball player
  • Tatum O’Neal, actress
  • Ed O’Neill, actor
  • Paul H. O’Neill, George W. Bush’s secretary of the Treasury
  • Yoko Ono, artist
  • Michael Ontkean, actor
  • Opechancanough, Pamunkey Indian chief; later chief of Powhatan Confederacy
  • Rita Ora, singer, actor, TV personality, fashion icon
  • Jerry Orbach, actor
  • Roy Orbison, country singer, songwriter, rock musician
  • Wild Orchid, pop musicians
  • Julie Ordon, model
  • Bill O’Reilly, TV personality
  • Dolores O’Riordan , lead singer, lyricist
  • Ruth Orkin, photographer, filmmaker
  • Julia Ormond, actress
  • Arthur Orton, fraud
  • Joan Osborne
  • Ozzy Osbourne, rock musician
  • Donny Osmond, singer
  • Marie Osmond, singer, actor
  • Emily Osment, actor
  • Lee Harvey Oswald, assassin
  • Patton Oswalt, actor, comedian
  • Peter O’Toole, actor
  • Miranda Otto, actor
  • R.F. Outcault, cartoonist, illustrator
  • Francoise Outelas, early French colonial settler, businesswoman
  • Outkast, rappers
  • Clive Owen, actor
  • Michael Owen, soccer player
  • Wilfred Owen, poet, soldier
  • Jesse Owens, runner, athlete
  • Terrell Owens, football player
  • Kelly Oxford, internet celebrity, writer
  • Jenna von Oy, actor
  • David Oyelowo, actor
  • Olive Oyl, comic strip character
  • Frank Oz, puppeteer, filmmaker

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Biographies: Selected Biographies A to Z: L

  • Biographies: Selected Biographies A to Z: L

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

  • Did Birds Evolve from Dinosaurs?
  • The Twelve Dancing Princesses
  • Current Events This Week: January 2023
  • African Americans by the Numbers
  • Andersen’s Fairy Tales: Contents
  • The Celtic Twilight: A Teller of Tales