- Under The Volcano (1984)
- Under The Yum Yum Tree (1963)
- Under World (2019)
- Underbelly Files: Infiltration (2011)
- Underbelly Files: Tell Them Lucifer Was Here (2011)
- Underclassman (2005)
- Undercover Blues (1993)
- Undercover Bridesmaid (2012)
- Undercover Brother (2002)
- Undercover Brother 2 (2019)
- Undercover Grandpa (2017)
- Undercurrent (1946)
- Underdog (2007)
- Underdog Kids (2015)
- Underdogs (2013)
- Underground (1995)
- Underground: The Julian Assange Story (2012)