Browse A-Z - O
- Roderic O'Conor
- Lorraine O'Grady
- Pablo O'Higgins
- Georgia O'Keeffe
- Timothy O'Sullivan
- Oberkampf Manufactory
- Ochiai Yoshiiku
- Oda Mayumi
- Jean Baptiste Claude Odiot
- Magdalene Odundo
- Albert Oehlen
- Richard Oelze
- Ogoni
- Ojibwa
- Okumura Masanobu
- Ôkura Jirô
- Joseph Maria Olbrich
- Claes Oldenburg
- Jules Olitski
- Nathan Oliveira
- Ferdinand Olivier
- Olmec
- Philip Omodamwen
- Omura Koyo
- Onchi Koshiro
- Roman Opalka
- Catherine Opie
- Dennis Oppenheim
- Gerard van Opstal
- Marcel Ordinaire
- Christian d' Orgeix
- Marie Christine d' Orléans
- Bernard van Orley
- Follower of Bernard van Orley
- Nicolaas van Orley
- Oromo
- José Clemente Orozco
- William Newenham Montague Orpen
- Circle of Lelio Orsi
- Follower of Lelio Orsi
- Georg Ortner
- Osborne & Little (Firm)
- Elizabeth Osborne
- Adriaen van Ostade
- Carl Ostendarp
- Lothar Osterburg
- Arthur Osver
- Paul Otero
- Otomi
- Ott and Brewer
- Pasquale Ottino
- J. J. P. Oud
- Jean Baptiste Oudry
- Paul Everard Outerbridge, Jr.
- Fritz Overbeck
- Johann Friedrich Overbeck
- Robert Overby
- Laura Owens
- Jolanta Owidzka
- Pierre Ozanne
- Amédée Ozenfant