- Obadia Lionel
- Obregón Kei Tanikawa
- Oches Eric
- Ognibene Paolo
- Ohali Avigail
- Ohayon Isabelle
- Oiry-Varacca Mari
- Ojoga Ecaterina
- Okasha Hussein
- Okawara Tomoki
- Olav Utvik Bjorn
- Olfa Lamloum
- Oliveau Sébastien
- Olive Jean-Paul
- Olivera Martin
- Olivier Emmanuelle
- Olivier Langlois
- Ollive Vincent
- Ollivier David
- Ollivry Florence
- Oloff Florence
- Olsson Christian
- Olszewska Zuzanna
- Olympio Noémie
- Omar Menna
- Omary Kenza
- Omary Zineb
- Omidfar Mehdi
- O’miel Julien
- Onimus Clément
- Onimus Clément
- Orain Olivier
- Ormos István
- O'Rourke Karen
- Orri Massimiliano
- Ortola Marie-Sol
- Ory Solange
- Osmond Thomas
- Osswald Brendan
- Ostle Robin
- Othman Ahmad
- Otten-Froux Catherine
- Ouadah-Bedidi Zahia
- Ouaissa Rachid