O
173 authors- Karen O
- O
- Bill O’Reilly
- Ann Oakley
- John Oates
- Joyce Carol Oates
- Barack Obama
- Michelle Obama
- Agnes Obel
- Douglas R. Oberhelman
- Vivek Oberoi
- Conor Oberst
- Dave Obey
- Ric Ocasek
- Billy Ocean
- Frank Ocean
- Ellen Ochoa
- Severo Ochoa
- Phil Ochs
- Ayman Odeh
- Bob Odenkirk
- Lamar Odom
- Roger von Oech
- Albert II of Belgium
- Felipe VI of Spain
- George III of the United Kingdom
- Henry IV of England
- Nicholas II of Russia
- Princess Beatrice of York
- Princess Stephanie of Monaco
- Queen Rania of Jordan
- Saint Teresa of Avila
- Nick Offerman
- Nick Offerman
- Offset
- David Ogilvy
- Sandra Oh
- Alexis Ohanian
- Katelyn Ohashi
- Michael Oher
- Apolo Ohno
- Richard Ojeda
- Tao Okamoto
- Jay Okocha
- Ory Okolloh
- Ben Okri
- George Andrew Olah
- Hakeem Olajuwon
- Keith Olbermann
- Bruce Oldfield
- John Oldham
- Gary Oldman
- Aleksei Oleinik
- Larisa Oleynik
- Barney Oliver
- Jamie Oliver
- John Oliver
- Lauren Oliver
- Mary Oliver
- Laurence Olivier
- Tony Oller
- Edward James Olmos
- Frederick Law Olmsted
- Elizabeth Olsen
- Kate Olsen
- Ken Olsen
- Merlin Olsen
- Tillie Olsen
- S. Jay Olshansky
- Candice Olson
- Charles Olson
- Ted Olson
- Renee Olstead
- David Olusoga
- John Olver
- Ilhan Omar
- Mohammed Omar
- Omarion
- Aristotle Onassis
- Michael Ondaatje
- Ali Bongo Ondimba
- One
- Yoko Ono
- Louis Oosthuizen
- George Oppen
- J. Robert Oppenheimer
- Joshua Oppenheimer
- Rita Ora
- Jerry Orbach
- Viktor Orban
- Robert Orben
- Roy Orbison
- Melissa Ordway
- Orianthi
- Origen
- Yvonne Orji
- Tony Orlando
- Susan Orlean
- Suze Orman
- Eugene Ormandy
- Dean Ornish
- Orridge
- Daniel Mallory Ortberg
- John Ortberg
- Brian Ortega
- Solomon Ortiz
- Tito Ortiz
- Randy Orton
- George Orwell
- Roland Orzabal
- Naomi Osaka
- George Osborne
- John Osborne
- Lawrence Osborne
- Jack Osbourne
- Kelly Osbourne
- Ozzy Osbourne
- David Oshinsky
- Yemi Osinbajo
- William Osler
- Emily Osment
- Donny Osmond
- Marie Osmond
- Evan Osnos
- Edgardo Osorio
- Joel Osteen
- Victoria Osteen
- Emily Oster
- Joshua Ostrander
- Marc Ostrofsky
- Alice Oswald
- Patton Oswalt
- Brock Osweiler
- Cheri Oteri
- Carre Otis
- Johnny Otis
- Butch Otter
- Jim Otto
- Miranda Otto
- Rudolf Otto
- Yotam Ottolenghi
- Ouida
- Fulton Oursler
- Denise Van Outen
- Alexander Ovechkin
- Thomas Overbury
- Chord Overstreet
- Ovid
- Michael Ovitz
- Clive Owen
- Jake Owen
- Richard Owen
- Robert Owen
- Wilfred Owen
- Bill Owens
- Buck Owens
- Burgess Owens
- Candace Owens
- Jesse Owens
- Major Owens
- Terrell Owens
- Catherine Oxenberg
- Michael Oxley
- Neri Oxman
- David Oyelowo
- Helen Oyeyemi
- Amos Oz
- Daphne Oz
- Frank Oz
- Mehmet Oz
- Ruth Ozeki
- Cynthia Ozick
- Mesut Ozil