- Under a Sky of BlueReleased: 1989Director: Vitali Dudin
- Under AgeReleased: 1964Director: Larry Buchanan
- Under CapricornReleased: September 8, 1949Director: Alfred Hitchcock
- Under en steinhimmelReleased: October 1974Director: Igor Maslennikov, Knut Andersen
- Under FireReleased: 1983Director: Roger Spottiswoode
- Under HeavenReleased: April 24, 2015Director: Dalmira Tilepbergen
- Under PressureReleased: 1935Director: Raoul Walsh, Irving Cummings
- Under Ten FlagsReleased: 1960Director: Duilio Coletti, Carlo Lizzani
- Under the BazaarReleased: 1970Director: Reza Safaei
- Under the BridgesReleased: 1946Director: Helmut Käutner
- Under the North StarReleased: December 4, 2009Director: Timo Koivusalo
- Under the North Star IIReleased: September 24, 2010Director: Timo Koivusalo
- Under the Same MoonReleased: July 9, 2009Director: Patricia Riggen
- Under the SandReleased: October 11, 2001Director: François Ozon
- Under the Silver LakeReleased: June 22, 2018Director: David Robert Mitchell
- Under the SkinReleased: August 29, 2013Director: Jonathan Glazer
- Under the Southern CrossReleased: 1938Director: Guido Brignone
- Under the Upturned MoonReleased: 1976Director: Ēriks Lācis
- Under the VolcanoReleased: September 7, 2024Director: Damian Kocur
- Underbara kvinnor vid vattenReleased: January 16, 1998Director: Claes Olsson
- UndercoverReleased: October 11, 2024Director: Arantxa Echevarría
- UndercoverReleased: 1987Director: John Stockwell
- UndercurrentReleased: 1946Director: Vincente Minnelli
- UnderdogReleased: March 13, 2015Director: Ronnie Sandahl
- UndergroundReleased: December 26, 1995Director: Emir Kusturica
- Underground SecretsReleased: February 22, 1991Director: Clas Lindberg
- Understand meReleased: 1985Director: Amir Alhammoud
- UndertowReleased: 1930Director: Harry A. Pollard
- UnderwaterReleased: February 7, 2020Director: William Eubank
- UndineReleased: July 2, 2020Director: Christian Petzold
- UndisputedReleased: 2002Director: Walter Hill
- Undisputed II: Last Man StandingReleased: 2006Director: Isaac Florentine
- Undisputed III: RedemptionReleased: 2010Director: Isaac Florentine
- Une nuitReleased: July 2, 2023Director: Alex Lutz
- Uneasy RidersReleased: 2000Director: Jean-Pierre Sinapi
- Unexpected PlacesReleased: 2012Production companies: Crystal Creek Media
- UnfaithfulReleased: June 13, 2002Director: Adrian Lyne
- Unfaithful MorningsReleased: August 26, 1988Director: François Bouvier, Jean Beaudry
- Unfinished LoveReleased: August 2026Production companies: Heron TV
- UnforgivableReleased: July 24, 2025Director: Julia Ford
- UnforgivenReleased: August 7, 1992Director: Clint Eastwood
- UnforgivenReleased: September 6, 2013Director: Sang-il Lee
- UnforgottenReleased: May 31, 2004Director: Aylin Baykal
- Unge viljerReleased: February 8, 1943Director: Walter Fyrst
- UngenReleased: October 6, 1938Director: Rasmus Breistein
- Unhook the StarsReleased: July 3, 1997Director: Nick Cassavetes
- Uninvented StoryReleased: 1964Director: Vladimir I. Gerasimov
- Union CountyReleased: January 25, 2026Director: Adam Meeks
- Union of SalvationReleased: December 26, 2019Director: Andrei Kravchuk
- Union PacificReleased: 1939Director: Cecil B. DeMille
- Union StationReleased: 1950Director: Rudolph Maté
- Unit 7Released: 2012Director: Alberto Rodríguez Librero
- United 93Released: June 1, 2006Director: Paul Greengrass
- UnknownReleased: February 18, 2011Director: Jaume Collet-Serra
- Unlawful EntryReleased: October 8, 1992Director: Jonathan Kaplan
- Unmade BedsReleased: 2009Director: Alexis Dos Santos
- Unnal Mudiyum ThambiReleased: 1988Director: K. Balachander
- UnoReleased: February 9, 2006Director: John Andreas Andersen, Aksel Hennie
- UnrulyReleased: March 9, 2023Director: Malou Reymann
- Unsung HeroReleased: April 26, 2024Director: Richard L. Ramsey, Joel Smallbone
- UntamedReleased: June 29, 1955Director: Henry King
- UntamedReleased: 1957Director: Mikio Naruse
- Untamed HeartReleased: 1993Director: Tony Bill
- Until Death Do Us PartReleased: January 7, 1982Director: Heiner Carow
- Until First BloodReleased: 1989Director: Vladimir Fokin
- Until SeptemberReleased: 1984Director: Richard Marquand
- Until the Day We Meet AgainReleased: November 24, 1932Director: Yasujirō Ozu
- Until the End of the WorldReleased: September 12, 1991Director: Wim Wenders
- Until They SailReleased: 1957Director: Robert Wise
- Untold ScandalReleased: 2003Director: Je-yong Lee
- Untuk AngelineReleased: 2016Production companies: Citra Visual Sinema
- Untypical StoryReleased: October 29, 1978Director: Grigori Chukhrai
- Up and DownReleased: September 16, 2004Director: Jan Hřebejk
- Up at the VillaReleased: June 15, 2000Director: Philip Haas
- Up Close & PersonalReleased: September 12, 1996Director: Jon Avnet
- Up for MurderReleased: 1931Director: Monta Bell
- Up from the BeachReleased: 1965Director: Robert Parrish
- Up in the AirReleased: February 4, 2010Director: Jason Reitman
- Up in the SkyReleased: 1978Director: Mohammad-Ali Fardin
- Up to a Certain PointReleased: March 13, 1985Director: Tomás Gutiérrez Alea
- Upon EntryReleased: 2022Director: Alejandro Rojas, Juan Sebastián Vásquez
- UprisingReleased: 2024Director: Kim Sang-man
- UprisingReleased: 1976Director: Nodar Managadze
- Upside DownReleased: 2007Director: Igor Ivanov Izi
- Uptown GirlsReleased: August 15, 2003Director: Boaz Yakin
- UramistenReleased: May 2, 1985Director: Péter Gárdos
- Urban CowboyReleased: September 11, 1980Director: James Bridges
- UrchinReleased: October 2, 2025Director: Harris Dickinson
- UrumiReleased: March 31, 2011Director: Santosh Sivan
- UsReleased: 2013Director: Mani Maserrat
- Us TwoReleased: March 7, 1980Director: Claude Lelouch
- UtamaReleased: 2022Director: Alejandro Loayza Grisi
- Utamaro and His Five WomenReleased: 1946Director: Kenji Mizoguchi
- Uthama VillainReleased: 2015Director: Ramesh Aravind
- UtopiaReleased: May 1978Director: Iradj Azimi
- Uuteen elämäänReleased: 1942Director: Toivo Särkkä
- Uyarndha ManidhanReleased: 1968Director: R. Krishnan, S. Panju
- UzakReleased: February 3, 2005Director: Nuri Bilge Ceylan
- V odnom rayoneReleased: June 29, 1961Director: Shaken Ajmanov
- V2. Escape from HellReleased: April 22, 2021Director: Timur Bekmambetov, Sergey Trofimov