O. Henry
O. J. Simpson
O. R. Melling
O. T. Fagbenle
O. T. Genasis
O. Winston Link
Obiageli Ezekwesili
Obie Trice
Octave Mirbeau
Octavia Butler
Octavia E. Butler
Octavia Spencer
Octavian Paler
Octavio Paz
Oded Fehr
Odell Beckham, Jr.
Odette Annable
Odeya Rush
Odilon Redon
Odysseas Elytis
Offset
Ofra Haza
Ofra Strauss
Og Mandino
Ogden Nash
Okky Madasari
Oksana Baiul
Oksana Masters
Olaf Carlson-Wee
Olafur Eliasson
Olav Thon
Ole Gunnar Solskjaer
Oleg Cassini
Oleg Deripaska
Oleg Kulik
Oleksandr Usyk
Oleksandr Zhuravliov
Olesya Rulin
Olga Fonda
Olga Korbut
Olga Kurylenko
Olga Tokarczuk
Olin Miller
Olive Schreiner
Oliver Cromwell
Oliver E. Williamson
Oliver Ellsworth
Oliver Evans
Oliver Franks
Oliver Goldsmith
Oliver Hardy
Oliver Herford
Oliver Hudson
Oliver Jackson-Cohen
Oliver Joseph Lodge
Oliver Kahn
Oliver North
Oliver Perry
Oliver Platt
Oliver Reed
Oliver Sacks
Oliver Sim
Oliver St. John
Oliver Stone
Oliver Sykes
Oliver Tambo
Oliver Wendell Holmes
Oliver Wendell Holmes, Jr.
Oliver Wendell Holmes, Sr.
Olivia Colman
Olivia Cooke
Olivia Culpo
Olivia d'Abo
Olivia De Havilland
Olivia DeJonge
Olivia Goldsmith
Olivia Holt