- Obringer Frédéric
- Ogorzelec Laetitia
- Oili Hassan
- Olivera Martin
- Olivier Bernard
- Olivier Ducourtieux
- Olivier Emmanuelle
- Olivier Langlois
- Olivier de Sardan Jean-Pierre
- Olivry Jean-Claude
- Ollivier Claire
- Olukoju Ayodeji
- Omar Mamadou Déme
- Onana V. De. P
- Onfray Marylise
- Onyango Omenya Gordon
- Onézime Olivier
- Orivel François
- Orne Gliemann J.
- Orne-Gliemann Maud
- Oréal Elsa
- Osaghae Eghosa E.
- Oszwald Johan
- Otayek René
- Otieno David Okelo
- Otieno Humphrey
- Otiso Wycliffe Nyachoti
- Otto Th.
- Oualdi M’hamed
- Ouallet Anne
- Ouattara Fatoumata
- Ouattara Fatoumata
- Ouedraogo François de Charles
- Ouili I.
- Ould Abidine Ould Mayif M.
- Ould Ahmedou M.L.
- Ould Babah M.A.
- Ould Babah Mohamed Abdallahi