Directors
- Olatunde Osunsanmi
- Ole Bornedal
- Ole Christian Madsen
- Oleg Malamuzh
- Oleg Pogodin
- Oleg Stepchenko
- Oleg Trofim
- Oleksandra Ruban
- Olen Steinhauer (Born: 1970)
- Oley Sassone
- Oliver Butcher
- Oliver Daly
- Oliver Hermanus
- Oliver Hirschbiegel
- Oliver Kienle
- Oliver Laxe
- Oliver Park
- Oliver Parker
- Oliver Price
- Oliver Schmitz
- Oliver Stone
- Oliver Thompson
- Olivia Milch
- Olivia Newman
- Olivia Wilde
- Olivier Afonso
- Olivier Assayas
- Olivier Baroux
- Olivier Dahan
- Olivier Marchal
- Olivier Masset-Depasse
- Olivier Megaton
- Olivier Nakache
- Olivier Schneider
- Olivier Szulzynger
- Olivier Van Hoofstadt
- Olly Blackburn
- Omar Naim
- Ömer Faruk Sorak
- Omer Sari