- One Man Band (2005)
- One Mile Away (2012)
- One Minute More (2014)
- One Missed Call (2008)
- One More Chance (2007)
- One More River (1934)
- One More Time (2015)
- One More Train to Rob (1971)
- One More Try (2012)
- One Must Fall (2018)
- One Nation Under Trump (2016)
- One Night (2016)
- One Night at McCool's (2001)
- One Night in the Tropics (1940)
- One Night Stand (1997)
- One Night with the King (2006)
- One of Our Aircraft Is Missing (1942)