- Ola Simonsson (1 film)
- Olatunde Osunsanmi (1 film)
- Olivier Casas (1 film)
- Olivier Van Hoofstadt (1 film)
- Omar El Zohairy (1 film)
- Omar Naim (1 film)
- Oren Peli (1 film)
- Orson Welles (1 film)
- Osgood Perkins (1 film)
- Oliver Hirschbiegel (2 films)
- Olivier Baroux (2 films)
- Olivier Nakache (2 films)
- Oliver Stone (4 films)
- Olivier Megaton (4 films)