| Ocaña, Eduardo |
| Odone, Joel |
| Oesterheld, Héctor Germán |
| Oger, Tiburce |
| Oiry, Stéphane |
| Olea, Leonardo |
| Oliveira, Daniel |
| Oliveira, Joaquim de |
| Olivera, Lucho |
| Ollivier, Jean |
| Omond, Éric |
| O'Neil, Denny |
| Oriol |
| Orizio, Dany |
| Ortega, Belén |
| Ortiga, Ramón |
| Ortiz, José |
| Ortolani, Lorenzo |
| Otomo, Katsuhiro |
| Ouali, Ludovic |
| Overgard, William |
