- Obeid Ziad
- Obermann Anne
- O'Brien Gareth
- Ochs Magalie
- O’connor Kevin
- O'Connor Noël
- Odloak Darci
- O'Doherty Simon
- Oechtering T.
- Oechtering Tobias
- Offermann Alexis
- Ogane Rintaro
- Ogane Rintaro
- Ogier Jean-Marc
- Ohashi Hiroki
- Ohashi Hiroki
- Ohashi Hiroki L
- Ohayon Jacques
- Ohayon J.
- Ohsaki H.
- Ohsaki Hiroyuki
- Ohsaki Hiroyuki
- Ojeda David
- Okubadejo Olumide
- Olaru Sorin
- Olaru Sorin
- Oldham William
- Olivares Felipe
- Oliver Matthieu
- Oliver-Parera Maria
- Olivier A.
- Olivier Anne-Hélène
- Olivier Brice
- Olivier Frédéric
- Oliviéri Michèle
- Ollander Simon
- Ollivier F.
- Ollivier Francois
- Ollivon C.
- Olmi Simona
- Olofsson Erik
- Olsder Geert Jan
- Oltra-Carrio Rosa
- Olympieff Serge
- Omari Houda
- Omari Houda
- Omar Oumayma
- O'Neill Tanya
- Ong Florian
- Ong-Nicolas Caroline
- Ong S. H.
- Ono Nobutaka
- Ooi Cinly
- Opatowski Lulla
- Opderbecke Jan
- Ophelders Tim
- Oram David E.
- Oram D. E.
- Oram D.E.
- Oram D.
- O. Rasmussen S.
- Orgéas Laurent
- Orgéas Laurent
- Orgerie A.C.
- Orgerie Anne-Cécile
- Orieux François
- Orihuela Luis
- Orive Miguel David
- Orive-Miguel David
- Orive-Miguel David
- Orkisz Jan
- Orkisz Jan
- Orkisz Jan H.
- Orlandi Antoine
- Orlarey Yann
- Orliaguet Jean-Pierre
- Orovic Irena
- Orsi A. J.
- Orsi Anais
- Orsi Rocky
- Ortiz Juan J
- Ortner Peter
- Ortner P.
- Orvain Emmanuel
- Osán Tristan Martín
- Osher Stanley
- Oshiro Zardo Gabriel
- Osman Julien
- Ospici Matthieu
- Ostaschenko Ekaterina
- Ostergaard L.
- Ost Luciano
- Ost Luciano
- Ostromoukhov Victor
- Ostry David J
- Ostry David J.
- Ostry David J.
- Othman Bassel
- Othman Sami
- Otte Willem M
- Ott Laurent
- Ouadi Hamid
- Ouadi Hamid
- Ouakrim Yanis
- Ouakrim Yanis
- Ouarit H.
- Ouarit Hicham
- Ouassaid Mohammed
- Ouassaid Mohammed
- Ouazara Mohamed
- Oubellil Raouia
- Oubellil Raouia
- Ouddah Nadir
- Oudeyer Pierre-Yves
- Oudompheng Benoit
- Oudompheng Benoit
- Oudompheng Benoit I
- Oudot Steve Y.
- Ouedraogo Wendyam
- Ouedraogo Wendyam S. B.
- Ouedraogo Wendyam Serge Boris
- Oueidat Dalia
- Ouni Slim
- Oustaloup Alain
- Oustrière Pierre
- Oustry Antoine
- Outbib Rachid
- Outbib Rachid
- Outbib Rachid
- Outbib R
- Ou-Yang Chang-Feng
- Ovalle Andres
- Ovalle Villamil Andres
- Ovarlez Jean-Philippe
- Overvest Bastiaan
- Ozerov Alexey
- Ozturk Onur