Browse A-Z - O
- William J. O'Brien
- Roderic O'Conor
- Juan O'Gorman
- Lorraine O'Grady
- Pablo O'Higgins
- Georgia O'Keeffe
- Timothy O'Sullivan
- Obembe Alaiye
- Oberkampf Manufactory
- Franz Wilhelm Obermann
- Isadore Ocampo
- Ochiai Yoshiiku
- Jacob Ochtervelt
- Oda Mayumi
- Jean Baptiste Claude Odiot
- Magdalene Odundo
- Richard Oelze
- Carl Ofner
- Ogata Korin
- Ogoni
- Ojerinde
- Ojibwa
- Okumura Masanobu
- Ôkura Jirô
- Idowu Olalaiye
- Joseph Maria Olbrich
- Claes Oldenburg
- Joseph Olerys
- Jules Olitski
- Nathan Oliveira
- Ferdinand Olivier
- Olmec
- Olowe of Ise
- Omodamwen Workshop
- Philip Omodamwen
- Omura Koyo
- Onchi Koshiro
- Jacques van Oost, I
- Roman Opalka
- Catherine Opie
- Dennis Oppenheim
- Gerard van Opstal
- Marcel Ordinaire
- Lev N. Orekhov
- Christian d' Orgeix
- Origen
- Marie Christine d' Orléans
- Bernard van Orley
- Circle of Bernard van Orley
- Follower of Bernard van Orley
- Nicolaas van Orley
- Chana Orloff
- Oromo
- Gabriel Orozco
- José Clemente Orozco
- William Newenham Montague Orpen
- Lelio Orsi
- Circle of Lelio Orsi
- Follower of Lelio Orsi
- Style of Lelio Orsi
- José Benito Ortega
- Georg Ortner
- Pieter van Os
- Osa Toho
- Osborne & Little (Firm)
- Elizabeth Osborne
- B. Osipov
- Adriaen van Ostade
- Adrian van Ostade
- Carl Ostendarp
- Lothar Osterburg
- Arthur Osver
- Paul Otero
- Otomi
- Otomo no Kuronoshi
- Ott and Brewer
- Style of Ottavio Semino
- Pasquale Ottino
- William Young Ottley
- J. J. P. Oud
- Jean Baptiste Oudry
- Paul Everard Outerbridge, Jr.
- Fritz Overbeck
- Johann Friedrich Overbeck
- Robert Overby
- Ovid
- Laura Owens
- Jolanta Owidzka
- Pierre Ozanne
- Amédée Ozenfant