| U-571 | Jonathan Mostow | action film, war film | France, United States |
| U-Turn | — | — | India |
| U.S. Marshals | Stuart Baird | action film, thriller film, crime film | United States |
 U2 3D | Catherine Owens, Mark Pellington | documentary film | United States |
| Udaan | Vikramaditya Motwane | coming-of-age film, drama film | India |
| Udta Punjab | Abhishek Chaubey | drama film, thriller film, crime film | India |
| Ue o muite arukô | Toshio Masuda | — | Japan |
| Ugler i mosen | Ivo Caprino | fantasy film, children's film, adventure film | Norway |
| Ugly Melanie | Allan Mauduit, Jean-Patrick Benes | comedy film | France |
| UHF | Jay Levey | slapstick | United States |
| Ukhodya - ukhodi | Viktor Tregubovich | comedy film | Soviet Union |
| Ukrainian Sheriffs | Roman Bondarchuk | documentary film | Germany, Latvia, Ukraine |
| Ulan | Irene Emma Villamor | romance film | Philippines |
| Ulduz | Aga-Rza Kuliyev | comedy film, musical film | Azerbaijan |
| Ultimatum | Janusz Kidawa | — | Poland |
| Ultra Q The Movie: Legend of the Stars | Akio Jissōji | — | Japan |
| Ultraman Ginga S: Showdown! Ultra 10 Warriors!! | Koichi Sakamoto | — | Japan |
| Ultraman Zero: The Revenge of Belial | Yūichi Abe | crossover fiction, tokusatsu | Japan |
| Ultraman: Rising | Shannon Tindle | superhero film, fantasy film, action film, science fiction film | Japan, United States |
| Um Adeus Português | João Botelho | drama film | Portugal |
| Umachandi Gowri Sankarula Katha | Kadiri Venkata Reddy | — | India |
| Umeyete li vy zhit? | Oleksandr Muratov | melodrama | Soviet Union |
| Umi no yarodomo | Kaneto Shindō | — | — |
| Un amour de Swann | Volker Schlöndorff | drama film | France, Germany |
| Un crimen argentino | Lucas Combina | thriller film, crime film | Argentina |
| Un giorno speciale | Francesca Comencini | drama film | Italy |
 Un gosse de la butte | Maurice Delbez | comedy drama | France |
| Un hombre de negocios | Luis Lucia Mingarro | — | — |
| Un mundo maravilloso | Luis Estrada | black comedy film | Mexico |
| Un Natale al Sud | Federico Marsicano | comedy film | Italy |
| Un parell d'ous | Francesc Bellmunt | musical comedy | Spain |
| Un soir à Tibériade | Hervé Bromberger | drama film | France, Israel |
| Un tigre de papel | Luis Ospina | documentary film | Colombia |
| Una de dos | Marcel Sisniega Campbell | romance film, drama film, comedy film | Mexico |
| Una noche en el Ta Ba Rin | Luis César Amadori | — | — |
| Una voce nel tuo cuore | Alberto D'Aversa | drama film | Italy |
| Unaccompanied Minors | Paul Feig | comedy film, children's film, Christmas film | United States |
| Unbong | — | action film | South Korea |
| Unbowed | Chung Ji-young | drama film, trial film | South Korea |
| Unbreakable | M. Night Shyamalan | mystery film, drama film, superhero film, fantasy film, horror film, thriller film, detective film, science fiction film | United States |
| Uncensored | Anthony Asquith | — | — |
| Unchangeables | Herwin Novianto | family drama film | Indonesia |
 Unclaimed Goods | Rollin S. Sturgeon | — | — |
| Uncle Claus | Ivaylo Penchev | romance film, comedy film, Christmas film | Bulgaria |
| Uncle Drew | Charles Stone III | basketball film, comedy film | United States |
| Uncle Jim's Dairy Farm | — | — | — |
| Uncle Joe Shannon | Joseph C. Hanwright | drama film | United States |
| Uncle Markus the Storyteller | Vilho Syrjälä, Eino Itänen | children's film | Finland |
| Uncle Martino | — | — | Australia |
 Uncle Tom's Cabin | J. Searle Dawley | — | — |
| Under a Sky of Blue | Vitali Dudin | drama film | Soviet Union |
| Under California: The Limit of Time | Carlos Bolado | road movie | Mexico |
 Under Crimson Skies | Rex Ingram | — | — |
| Under Fire | Roger Spottiswoode | political thriller film, drama film, war film, tragedy | United States |
| Under Nevada Skies | Frank McDonald | — | — |
| Under the Bridges | Helmut Käutner | drama film | Germany |
| Under the Chinese Restaurant | Bruno Bozzetto | comedy film | Italy |
| Under the Constellation Gemini | Borys Ivchenko | science fiction film | Soviet Union |
| Under The Eternal Blue Sky | Begziyn Baljinnyam | biographical film | Japan, Mongolia |
| Under the Greenwood Tree | Émile Chautard | — | — |
| Under the Radar | Evan Clarry | comedy film | Australia |
| Under the Red Sea | Hans Hass | documentary film | United States |
| Under the Same Moon | Patricia Riggen | drama film | United States, Mexico |
| Under the Sand | François Ozon | drama film | France |
 Under the Southern Cross | Guido Brignone | drama film | Italy |
| Under the Tuscan Sun | Audrey Wells | romantic comedy film, LGBTQ-related film, comedy drama | United States, Italy |
| Undercover Girl | Joseph Pevney | action film | United States |
| Underdog | Frederik Du Chau | comedy film, children's film, speculative fiction film, science fiction film | United States |
| Underdogs | Juan J. Campanella | romantic comedy film, children's film, association football film, adventure film | Spain, United States, Argentina, India |
| Underground | Emir Kusturica | drama film, comedy film, tragicomedy, war film | France, Germany, Czech Republic, Bulgaria, Hungary, Yugoslavia, Federal Republic of Yugoslavia |
| Underground | Anthony Asquith | — | — |
| Underneath the Arches | Redd Davis | — | — |
| Undertow | William Castle | — | — |
 Underworld | Len Wiseman | romance film, fantasy film, girls with guns, action film, horror film, vampire film, action thriller, werewolf film | United Kingdom, Germany, Hungary, United States |
| Underworld: Awakening | Måns Mårlind, Björn Stein | fantasy film, girls with guns, action film, horror film, vampire film, thriller film, werewolf film | United States |
| Underworld: Evolution | Len Wiseman | fantasy film, girls with guns, action film, horror film, vampire film, thriller film, werewolf film | United States |
| Underworld: Rise of the Lycans | Patrick Tatopoulos | fantasy film, horror film, vampire film, thriller film, werewolf film | United States |
| Undisputed | Walter Hill | martial arts film, drama film, action film, thriller film, prison film, boxing film | Germany, United States |
| Undisputed III: Redemption | Isaac Florentine | martial arts film, drama film, action film, thriller film, prison film | United States |
| Unexpected Uncle | Peter Godfrey | — | — |
| Unfinished Story | Fridrikh Ermler | — | — |
| Unfinished Supper | Jānis Streičs | comedy film, detective film | Soviet Union |
| Unfinished Symphony | Anthony Asquith | — | — |
| Unforgivable | Julia Ford | drama film | United Kingdom |
| Unforgiven | Sang-il Lee | drama film, action film | Japan |
| Unforgotten | Aylin Baykal | drama film, horror film | United States |
| Ungen | Rasmus Breistein | drama film | Sweden |
 Union Station | Rudolph Maté | drama film, film noir, thriller film, crime film | United States |
| Unique Brothers | Alessio Maria Federici | comedy film | Italy |
| Universal i faraona | Ventura Pons | documentary film | Spain |
| Unknown Chaplin | Kevin Brownlow, David Gill | comedy film, biographical film, documentary film | United Kingdom |
| Unmade Beds | Alexis Dos Santos | drama film, comedy drama | United Kingdom |
| Unmarried Daughters | Carl Boese | — | — |
| Uno | John Andreas Andersen, Aksel Hennie | drama film | Norway |
| Unreal Boys | Karl Andersson | documentary film | Germany |
| Unseeing Eyes | Edward H. Griffith | — | — |
| Unspeakable | Chad Ferrin | exploitation film, LGBTQ-related film, crime film | United States |
| Unstrung Heroes | Diane Keaton | coming-of-age film, comedy drama | United States |
| Unsung Hero | Richard L. Ramsey, Joel Smallbone | Christian film, drama film | United States |
| Untamed | Henry King | romance film, drama film, adventure film | United States |
| Untamed Heart | Tony Bill | drama film, comedy drama, romantic comedy | United States |
| Unter deutschen Betten | Jan Fehse | comedy film | Germany |
| Unterwegs zu Lenin | Lucia Ochrimenko, Günter Reisch | historical film | Soviet Union, East Germany |
| Until Death Do Us Part | Heiner Carow | romance film, drama film | East Germany |
| Until September | Richard Marquand | romance film, drama film | France, United States |
 Until the Day We Meet Again | Yasujirō Ozu | drama film, silent film | Japan |
| Untraceable | Gregory Hoblit | horror film, thriller film, crime film | United States |
| Untuk Angeline | — | drama film | Indonesia |
| Up Close & Personal | Jon Avnet | romance film, romantic drama film, drama film | United States |
| Up for Murder | Monta Bell | drama film | United States |
| Up in the Air | Jason Reitman | drama film, romantic comedy | United States |
| Up in the Sky | Petter Lennstrand | comedy film | Sweden |
| Up in the World | John Paddy Carstairs | comedy film | United Kingdom |
| Up Next: Silvio Santos | Cris D'Amato | biographical film | Brazil |
| Up North | Tope Oshin | adventure film | Nigeria |
| Up Pompeii | Bob Kellett | historical film | United Kingdom |
| Up the Sandbox | Irvin Kershner | comedy film, musical film | United States |
| Upgrade | Leigh Whannell | cyberpunk, action film, horror film, dystopian film, thriller film, science fiction film | Australia |
| Upload | Eli Cross | pornographic film, science fiction film | United States |
| Uprising | Kim Sang-man | drama film, historical film, action film, war film | South Korea |
| Uptown Saturday Night | Sidney Poitier | parody film, buddy film, blaxploitation film | United States |
| Urban Legend | Jamie Blanks | teen film, horror film, slasher film | Canada, United States |
| Urban Legends: Final Cut | John Ottman | teen film, mystery film, horror film, slasher film | Canada, United States |
| Urban Myths | — | horror film, anthology film | South Korea |
 Urchin | Harris Dickinson | drama film | United Kingdom |
| Uriyadi 2 | Vijay Kumar | political thriller film | India |
| Urwelt im Urwald | Adolph von Dungern | — | — |
| Us | Jordan Peele | action film, horror film, thriller film, science fiction film, psychological horror fiction | United States |
| USA 94: Brazil’s Return to Glory | Luis Ara | documentary film | Brazil |
| Usurpers of Emperor's Power | Hua Shan | martial arts film | Hong Kong |
| Utah Wagon Train | Philip Ford | Western film | United States |
| Utlänningar: Del II - Le Rom | Peter Nestler | documentary film | Sweden |
| Utro bez otmetok | Vladimir Martynov | comedy film | Soviet Union |
| Uuteen elämään | Toivo Särkkä | drama film | Finland |
| Uzhaippali | P. Vasu | soundtrack | India |