- Once Were Brothers: Robbie Robertson and The Band (2020)
R | Documentary/Music
- One Day in September (2000)
R | Documentary
- Ocean with David Attenborough (2025)
NR | Documentary
- Ottolenghi and the Cakes of Versailles (2020)
NR | Documentary
- Oyate (2022)
NR | Documentary
- Ocean Souls
NR | Documentary
- The One and Only Dick Gregory (2021)
NR | Documentary
- One Year in a Life of Crime
NR | Documentary
- Odd Hours, No Pay, Cool Hat (2023)
NR | Documentary
- Orion: The Man Who Would Be King (2015)
NR | Documentary
- Ol' Dirty Bastard: A Tale of Two Dirtys (2024)
NR | Documentary/Biography
- On a Knife Edge
NR | Documentary/Animated
- Out in the Ring (2022)
NR | Documentary/Lgbtq