- The Offspring (1987)
- The Old Chisholm Trail (1942)
- The Old Curiosity Shop (2007)
- The Old Dark House (1963)
- The Old Fashioned Way (1934)
- The Old Maid (1939)
- The Old Man & the Gun (2018)
- The Olivia Experiment (2012)
- The Omnipotence of Dreams (2017)
- The One (2001)
- The One Armed Executioner (1981)
- The One I Love (2014)
- The Ones Below (2015)
- The Only Living Boy in New York (2017)
- The Oogieloves in the Big Balloon Adventure (2012)
- The Open House (2018)
- The Operative (2019)