Author List : O
- Oscar Wilde
- Orhan Pamuk
- Orson Scott Card
- Osho
- Osamu Dazai
- Oprah Winfrey
- Ovid
- Orson Welles
- Omar Khayyám
- Og Mandino
- Oliver Wendell Holmes Sr.
- Oliver Sacks
- Ogwo David Emenike
- One Direction
- Oswald Chambers
- Obert Skye
- Oscar Levant
- Oliver Goldsmith
- Ogden Nash
- Olivia Cunning
- O.R. Melling
- Octave Mirbeau
- Olaf Stapledon
- Osman Bakar
- Oliver Hassencamp
- Oliver Bowden
- Octavia E. Butler
- Oscar A. Romero
- Oliver Wendell Holmes Jr.
- Ozzie Zehner
- Orison Swett Marden
- Olive Ann Burns
- Ouida
- Osayi Emokpae Lasisi
- Oliver Gaspirtz
- Olivia Sinaga
- Oliver Markus Malloy
- Omar El Akkad
- Otto von Bismarck
- Ocean Crisstopher Poet
- O. S. Hickman
- Odille Rault
- Owl City
- Oli Anderson
- Olivia Sudjic
- Ottilie Weber
- Olivia Parker
- Orlando Figes
- Orrin Woodward
- OMOSOHWOFA CASEY
- Olga Goa
- Osip Mandelstam
- Octavio Paz
- Os Guinness
- Oscar Bimpong
- Oriana Fallaci
- Omar Kiam
- Omoakhuana Anthonia
- Olaotan Fawehinmi
- Olawale Daniel
- Oliver Markus
- Oddný Eir
- Orly Wahba
- Otto Weininger
- Orna Ross
- Oswald J. Smith
- Onkar K Khullar (Digital Gandhi)
- Oksana Rus
- O. Henry
- Oliver
- Oliver North
- Ortega y Gasset
- Ottessa Moshfegh
- Olivia Laing
- Ondjaki
- Owen Jones
- Olivia Culpo
- Osho Samuel Adetunji
- Okisha Jackson
- Oswald Spengler
- Osman Welela
- Oliver Herford
- Oliver Wendell Holmes
- Onyi Anyado
- Osunsakin Adewale
- Oliver Burkeman
- Osyp Nazaruk
- Olive Schreiner
- Oppong Amankwaa
- Obiora Embry
- OlgaGOA
- Oche Otorkpa
- oladosu feyikogbon
- Obehi Peter Ewanfoh
- Otsuichi
- Olivia Fuller
- Orville Wright
- Odysseus Elytis
- Omer Soker
- Ori Hofmekler
- Okey Ndibe
- Oluseyi Akinbami
- Oliver Cromwell
- Olin Miller
- Oliver Oliver Reed
- Olga Núñez Miret
- Oliver Stone
- Ophelia London
- Ozzy Osbourne
- Oscar Hammerstein II
- Oliver Harper
- Old saying
- Owen D. Young
- Omar Khayyam
- Owen Meredith
- Old English Rhyme
- O. J. Simpson
- O. Hallesby
- Octavia Spencer
- Oscar Niemeyer
- Olivier Martinez
- Orlando Bloom
- Olivia Munn
- Omar N. Bradley
- Olivia Wilde
- Olga Kurylenko
- Olly Murs
- Olivia Newton-John
- Omari Hardwick
- Omar Bongo
- Orson Pratt
- Olivia De Havilland
- Olympia Snowe
- Olivier Theyskens