| I | — | drama film | South Korea |
| I 2 soliti idioti | Enrico Lando | comedy film | Italy |
| I Am Ali | Clare Lewins | biographical film, boxing film, documentary film | United Kingdom, United States |
| I Am Curious (Yellow) | Vilgot Sjöman | art film, drama film | Sweden |
| I Am Frankelda | Arturo Ambriz, Roy Ambriz | fantasy film, animated film | Mexico |
| I Am Here | Christonikos Tsalikis | mystery film, drama film | United States |
| I Am Legend | Francis Lawrence | drama film, post-apocalyptic film, action film, horror film, vampire film | United States |
| I Am Sam | Jessie Nelson | drama film, comedy film, trial film | United States |
| I Am Self Sufficient | — | comedy film | Italy |
| I Am Suzanne | Rowland V. Lee | romance film, musical film | United States |
| I Can Quit Whenever I Want | Carlos Therón | comedy film | Spain |
| I Can't Stand Love | Laurence Ferreira Barbosa | drama film | France |
| I colpevoli | Turi Vasile | drama film | France, Italy |
| I Confess | Alfred Hitchcock | — | — |
| I Cover the Underworld | R. G. Springsteen | detective film, crime film | United States |
| I Declare War on You | Yaropolk Lapshin | drama film, crime film | Soviet Union |
| I Don't Know How She Does It | Douglas McGrath | comedy film | United States |
| I Don't Want to Be an Adult | Yuri Chulyukin | comedy film, children's film, musical film | Soviet Union |
| I Dreamed of Africa | Hugh Hudson | drama film, biographical film | United States |
| I due sergenti | Guido Brignone | — | — |
| I fobici | Giancarlo Scarchilli | comedy film | Italy |
| I Found Stella Parish | Mervyn LeRoy | — | — |
| I Graduated, But... | Yasujirō Ozu | — | — |
| I Hate Luv Storys | Punit Malhotra | musical film, romantic comedy | India |
| I Hate Summer | Massimo Venier | drama film, comedy film | Italy |
| I Hate You | Sergei Bodrov | drama film, drama fiction | Soviet Union |
| I Hear the Trees Whispering | József Gallai | mystery film, drama film, thriller film, adventure film, science fiction film | United Kingdom, Norway, Hungary, United States |
| I Know What You Did Last Summer | Jennifer Kaytin Robinson | slasher film | United States |
| I Know What You Did Last Summer | Jim Gillespie | horror film, thriller film, slasher film | United States |
| I Love You | Pavel Kostomarov, Aleksandr Rastorguyev | drama film, documentary film | Russia |
| I Love You | Dalibor Matanić | drama film | Croatia |
| I Love You Too | Daina Reid | romantic comedy | Australia |
| I Love You, Life! | Mikhail Yershov | drama film | Soviet Union |
| I Loved an Armchair | Dinos Dimopoulos | comedy film | Greece |
| I Married a Doctor | Archie Mayo | drama film | United States |
| I nostri figli | Andrea Porporati | drama film | Italy |
| I Not Stupid Too | Jack Neo | comedy drama | Singapore |
| I Pagliacci | G. B. Samuelson | — | — |
| I piaceri dello scapolo | Giulio Petroni | comedy film | Italy |
| I Play Rocky | Peter Farrelly | drama film, biographical film | United States |
| I Prefer the Sound of the Sea | Mimmo Calopresti | drama film | France, Italy |
| I Really Hate My Job | Oliver Parker | comedy film | United Kingdom |
| I Saw the TV Glow | Jane Schoenbrun | transgender film, psychological film, drama film, horror film, thriller film | United States |
| I See Ice | Anthony Kimmins | — | — |
| I Sell Anything | Robert Florey | — | — |
| I Served the King of England | Jiří Menzel | romance film, drama film, comedy film, war film, comedy drama | Czech Republic, Slovakia |
| I soliti idioti: Il film | Enrico Lando | comedy film | Italy |
| I Speak the Truth | Levan Khotivari | drama film, detective film | Soviet Union |
| I Still Know What You Did Last Summer | Danny Cannon | horror film, thriller film, slasher film | Germany, United States, Mexico |
| I theia mou, i hipissa | Alekos Sakellarios | comedy film | Greece |
| I Travel Alone | Stian Kristiansen | drama film | Norway |
| I Want the Floor | Gleb Panfilov | drama film | Soviet Union |
| I Want to Eat Your Pancreas | Shinichiro Ushijima | drama film | Japan |
| I Want to Forget | James Kirkwood | — | — |
| I Was Born, But... | Yasujirō Ozu | drama film, comedy film, silent film | Japan |
| I Will Repay | Henry Kolker | — | — |
| I Won't Die for Love | Marta Matute | drama film | Spain, Belgium |
| I'll Be Home for Christmas | Arlene Sanford | comedy film, Christmas film | United States |
| I'll Be Right Over | Otakar Vávra | comedy film | Protectorate of Bohemia and Moravia |
| I'll Be Yours | William A. Seiter | — | — |
| I'll Get By | Richard Sale | — | — |
| I'm a Soldier Mom | Manos Zacharias | drama film | Soviet Union |
| I'm coming to you!.. | Valentin Pavlovsky | novella film | Soviet Union |
| I'm Gonna Buy a Dad | Aman Manteghi | drama film, comedy film | Iran |
| I'm Gonna Git You Sucka | Keenen Ivory Wayans | action film, blaxploitation film | United States |
| I'm in the Revue | Mario Soldati | — | — |
| I'm Losing You | Bruce Wagner | drama film | United States |
| I'm Not Scared | Gabriele Salvatores | mystery film, drama film, crime film | United Kingdom, Spain, Italy |
| I, Daniel Blake | Ken Loach | drama film | France, United Kingdom, Belgium |
| I, Robot | Alex Proyas | cyberpunk, action film, dystopian film, neo-noir, detective film, science fiction film | United States |
| I, the Other | Mohsen Melliti | drama film | Italy |
| I. You. They. | Peter Foldes | fantasy film | France |
| IB71 | Sankalp Reddy | spy film, action thriller | India |
| Ibiza Fever | Johan Nijenhuis | romantic comedy | Netherlands |
| Ice 2 | Zhora Kryzhovnikov | music-themed film, teen film, romantic drama film, sport film | Russia |
| Ice Age: Boiling Point | John C. Donkin | comedy film, adventure film | United States |
| Ice Age: Continental Drift | Steve Martino, Mike Thurmeier | teen film, family film, fantasy film, comedy film, adventure film | United States |
| Ice Age: The Meltdown | Carlos Saldanha | family film, fantasy film, comedy film, flashback film, children's film, adventure film | United States |
| Ice Bar | — | drama film | South Korea |
| Ice Castles | Donald Wrye | romance film, sport film | United States |
| Ice Cream in Gleam | Khairy Beshara | romance film, musical film | Egypt |
| Ice Princess | Tim Fywell | teen film, drama film, sport film, comedy drama, romantic comedy | United States |
| Ice Station Zebra | John Sturges | drama film, submarine film, action film | United States |
| Icebox | Daniel Sawka | drama film | United States |
| Ichijo's Wet Lust | Tatsumi Kumashiro | pink film, drama film | Japan |
| Iddaru Asadhyule | K. S. R. Das | — | India |
| Identification of a Woman | Michelangelo Antonioni | drama film | France, Italy |
| Identity Thief | Seth Gordon | comedy film, crime film | United States |
| Idle Hands | Rodman Flender | teen film, comedy film, horror film, comedy horror | United States |
| Idol on Parade | John Gilling | — | — |
| If Footmen Tire You, What Will Horses Do? | Ron Ormond | dystopian film | United States |
| If I Don't Cry Out | Humberto Solás | short film, documentary film | Cuba, Haiti |
| If I Stay | R. J. Cutler | romance film, teen film, drama film, ghost film | United States |
| If I Were Free | Elliott Nugent | drama film | United States |
| If I Were the Boss... | Albert S. Mkrtchyan | — | Soviet Union |
| If War Comes Tomorrow | Lazar Antsi-Polovsky | — | — |
| If We Survive It All... | Rolands Kalniņš | drama film | Soviet Union |
| If You Were Me 5 | — | drama film | South Korea |
| If... Dog... Rabbit... | Matthew Modine | drama film | United States |
| Igualita a mí | Diego Kaplan | comedy film | Argentina |
| IHuman | Tonje Hessen Schei | documentary film | Norway |
| Ikarie XB-1 | Jindřich Polák | drama film, adventure film, science fiction film | Czechoslovakia |
| Ikaw Ang Pag-ibig | Marilou Diaz-Abaya | drama film | Philippines |
| Iki Esir | Esmail Koushan, Natuk Baytan | comedy film, adventure film | Turkey, Iran |
| Ikíngut | Gísli Snær Erlingsson | family film, action film, adventure film | Iceland, Norway, Denmark |
| Il bell'Antonio | Mauro Bolognini | drama film | France, Italy |
| Il birichino di papà | Raffaello Matarazzo | comedy film | Italy |
| Il cadavere scomparso | Telemaco Ruggeri | — | — |
| Il confessionale | Jenny Forte | pornographic film, religious film | Italy |
| Il Conte di Sant'Elmo | Guido Brignone | drama film | Italy |
| Il cosmo sul comò | Marcello Cesena | comedy film | Italy |
| Il demonio | Brunello Rondi | drama film, horror film | Italy |
| Il disertore | Giuliana Berlinguer | drama film, war film | Italy |
| Il dramma di una notte | Mario Caserini | — | — |
| Il giovane normale | Dino Risi | comedy film | Italy |
| Il matrimonio di Olimpia | Gero Zambuto | — | — |
| Il mio domani | Marina Spada | drama film | Italy |
| Il mio paese | Daniele Vicari | documentary film | Italy |
| Il n'y a pas d'ombre dans le désert | Yossi Aviram | drama film | France, Israel |
| Il principe dell'impossibile | Augusto Genina | — | — |
| Il romanzo di Maud | Diana Karenne | — | — |
| Il siluramento dell'Oceania | Augusto Genina | — | — |
| Il tifoso | Pier Francesco Pingitore | comedy film, association football film | Italy |
| Il treno crociato | Carlo Campogalliani | drama film | Italy |
| Il vegetale | Gennaro Nunziante | comedy film | Italy |
| Ilargi guztiak | Igor Legarreta | drama film, fantasy film, vampire film | Spain |
| Ill Manors | Plan B | drama film, hood film, crime film | United Kingdom |
| Illang: The Wolf Brigade | Kim Ji-woon | drama film, action film | South Korea |
| Illegal | William C. McGann | — | — |
| Illumination | Volodymyr Denysenko | drama film | Soviet Union |
| Ilona Arrives with the Rain | Sergio Cabrera | drama film | Italy, Colombia |
| ILY from 38,000 FT | — | drama film | Indonesia |
| Ilze | Rolands Kalniņš | — | Soviet Union |
| Im Reich des silbernen Löwen | Franz Josef Gottlieb | adventure film | Germany, Spain |
| Imagine That | Karey Kirkpatrick | fantasy film, comedy film | United States |
| Imitation of Life | Douglas Sirk | romance film, drama film | United States |
| Imitator | Oleg Fialko | comedy film | Soviet Union |
| Immortal Melodies | Giacomo Gentilomo | musical film | Italy |
| Immortal Sergeant | John M. Stahl | — | — |
| Immortal Waltz | E. W. Emo | musical film | Germany, Austria |
| Imperium | Daniel Ragussis | crime film | United States |
| In and Out of Court | Lu Xiaoya | trial film | People's Republic of China |
| In Bad | Edward Sloman | — | — |
| In Calabria | Tommaso Cotronei, Vittorio De Seta | documentary film | Italy |
| In Caliente | Lloyd Bacon | comedy film | United States |
| In Command | Tony del Duomo | pornographic film | Italy |
| In Darkness | Çağan Irmak | drama film, thriller film | Turkey |
| In for Thirty Days | Webster Cullison | — | — |
| In God's Hand | — | documentary film | Belgium |
| In Harm's Way | Otto Preminger | war film | United States |
| In Her Place | Maite Alberdi | drama film, crime film | Chile |
| In Her Shoes | Curtis Hanson | drama film, romantic comedy | United Kingdom, United States |
| In hoc signo vinces | Nino Oxilia | — | — |
| In My End Is My Beginning | Min Kyu-dong | drama film, LGBTQ-related film | South Korea |
| In Old California | William C. McGann | Western film | United States |
| In Old Monterey | Joseph Kane | — | — |
| In Old Santa Fe | David Howard | — | — |
| In Peaceful Time | Vladimir Braun | — | — |
| In Search of Criminals | Ahmad Safaei | — | Iran |
| In Search of Happiness | Grigori Roshal, Vera Stroyeva | drama film | Soviet Union |
| In That Land... | Lidia Bobrova | drama film | Russia |
| In the Bazaar of the Sexes | Sudabeh Mortezai | documentary film | Germany, Austria, Iran |
| In the Bedroom | Todd Field | drama film, crime film | United States |
| In the Beginning There Was Underwear | Anna Negri | comedy film | Italy |
| In the Black Sands | Iskander Khamrayev | historical film, ostern, adventure film, war film | Soviet Union |
| In the Blood | Rasmus Heisterberg | drama film | Denmark |
| In the Crosswind | Martti Helde | drama film, historical film | Estonia |
| In the Cut | Jane Campion | mystery film, drama film, neo-noir, erotic thriller, thriller film, erotic film | United Kingdom, United States, Australia |
| In the Days of Whore | Thomas Zupko | drama film, historical film, pornographic film, horror film | United States |
| In the Employ of the Secret Service | Gustav Ucicky | drama film | Weimar Republic |
| In the Fog | Sergei Loznitsa | drama film, historical film, war film | Russia, Germany, Belarus, Latvia, Netherlands |
| In the Gorge | Vojko Duletič | drama film | Socialist Republic of Slovenia |
| In the Heights | Jon M. Chu | drama film, musical film | Puerto Rico, United States, Dominican Republic |
| In the Loop | Armando Iannucci | comedy film, black comedy film | United Kingdom |
| In the Lost Lands | Paul W. S. Anderson | fantasy film, action film, adventure film | Germany, United States, Poland |
| In the Meantime, Darling | Otto Preminger | drama film | United States |
| In the Mountains of Yugoslavia | Abram Room, Eduard Tisse | drama film, war film | Soviet Union |
| In the Mouth of Madness | John Carpenter | psychological horror film, psychological thriller film, mystery film, drama film, monster film, fantasy film, horror film, neo-noir, thriller film, supernatural film, supernatural horror film, psychological drama film | United States |
| In the Name of Blood | Akaki Popkhadze | thriller film | France, Georgia, Belgium, Austria |
| In the Name of the Father | Jim Sheridan | drama film, trial film, prison film, biographical film, political drama | United Kingdom, Ireland, United States |
| In the Name of the King | Uwe Boll | fantasy film, action film, adventure film | Canada, Germany, United States |
| In the Name of the Land | Edouard Bergeon | drama film | France, Belgium |
| In the Name of the Law | Nikos Foskolos | drama film | Greece |
| In the Region of Ice | Peter Werner | drama film | United States |
| In the Whirl of Life | Erik Lund | — | — |
| In This Our Life | John Huston | drama film | United States |
| In Too Deep | Michael Rymer | drama film, hood film, crime film | United States |
| In Which We Serve | Noël Coward, David Lean | drama film, flashback film, war film | United Kingdom |
| In Your Veins | Beata Gårdeler | drama film | Sweden |
| In-Laws | Zhao Huanzhang | family drama film | People's Republic of China |
| Inapraavugal | Kunchacko | — | India |
| Inauguration of the Australian Commonwealth | Joseph Perry | — | — |
| Inazuma Eleven GO vs. Danbōru Senki W | Yoshikazu Miyao | association football video game, crossover fiction, association football film | Japan |
| Inazuma Eleven GO: Kyūkyoku no Kizuna Gurifon | Yoshikazu Miyao, Akihiro Hino | association football video game, association football film | Japan |
| Incantato | Pupi Avati | drama film | Italy |
| Incendiary Blonde | George Marshall | biographical film, musical film | United States |
| Inch by Inch | Matt Sterling | gay pornographic film | United States |
| Incident on a Volcano | — | — | Soviet Union |
| Incognito from St. Petersburg | Leonid Gaidai | comedy film | Soviet Union |
| Incredible Love | — | drama film | Indonesia |
| Independence Day | Roland Emmerich | action film, alien invasion, thriller film, adventure film, adventure science fiction, science fiction film, disaster film | United States |
| Independence Day: Resurgence | Roland Emmerich | action film, LGBTQ-related film, war film, science fiction film, disaster film | United States |
| Independent's Day | Laura Beth Love | fantasy film, mockbuster, science fiction film, disaster film | United States |
| India in a Day | Richie Mehta, Mandira Chauhan, Ninad Kulkarni | documentary film | India |
| India Speaks | Walter Futter, Richard Halliburton | documentary film | United States |
| Indian 2 | S. Shankar | action film, action thriller | India |
| Indian Rupee | Ranjith | drama film, family film | India |
| Indiana Jones and the Temple of Doom | Steven Spielberg | action film, treasure hunt film, adventure film | United States |
| Indignation | James Schamus | coming-of-age film, drama film, LGBTQ-related film | United States |
| Indira En Selvam | — | drama film | India |
| Indiscretion | Wilfrid North | — | — |
| Indivisible Partners | Wang Hengli | comedy film | People's Republic of China |
| Indoo Ki Jawani | Abir Sengupta | coming-of-age film, comedy film | India |
| Infinity Pool | Brandon Cronenberg | mystery film, horror film, science fiction film | France, Canada, Hungary |
| Influence: Vanna Bardot | Derek Dozer | pornographic film | United States |
| Ingen rövare finns i skogen | Göran Carmback | children's film | Sweden |
| Inglorious Bitches | Max Candy | pornographic parody film, pornographic film, action film, war film | France |
| INGtoogi: The Battle of Surpluses | Um Tae-hwa | drama film, action film | South Korea |
| Inherent Vice | Paul Thomas Anderson | romantic comedy film, drama film, comedy film, comedy drama, crime film | United States |
| Initiation | John Berardo | slasher film | United States |
| Inn of the Gruesome Dolls | Rolf Olsen | thriller film | Germany, Italy |
| Inner City Princess | Rafa Montesinos | drama film | Spain, Italy |
| Innerspace | Joe Dante | comedy film, science fiction film, science fiction comedy | United States |
| Innocence | Hilary Brougher | drama film, horror film, vampire film | United States |
| Inseparable Bros | Yook Sang-hyo | drama film | South Korea |
| Inside I'm Dancing | Damien O'Donnell | drama film, comedy film, medical drama | France, United Kingdom, Ireland |
| Inside Llewyn Davis | Joel Coen, Ethan Coen | drama film, musical film, comedy drama | France, United States |
| Inside Man | Spike Lee | drama film, thriller film, heist film, crime film | United States |
| Inside Out | Pete Docter, Ronnie del Carmen | drama film, family film, fantasy film, comedy film, children's film, adventure film, comedy drama | United States |
| Inside Out 2 | Kelsey Mann | coming-of-age film, comedy drama | United States |
| Inside the Lines | Roy Pomeroy | drama film | United States |
| Insidious: Chapter 2 | James Wan | horror film, LGBTQ-related film, thriller film, ghost film | Canada, United States |
| Insidious: The Last Key | Adam Robitel | horror film, LGBTQ-related film, thriller film, ghost film, supernatural horror film | United States |
| Inspector Gadget 2 | Alex Zamm | comedy film | United States |
| Inspector Gadget's Biggest Caper Ever | Ezekiel Norton | — | United States |
| Inspector Losev | — | detective film | Soviet Union |
| Interactive Sex with Tori Black | Mike Quasar | pornographic film | United States |
| Intercourse: Special Sister-In-Law | Kim Hwan | erotic film | South Korea |
| Interiors | Woody Allen | romance film, drama film | United States |
| Intermedio | Andrew Lauer | horror film | United States |
| Intermezzo | Gregory Ratoff | romance film, drama film | United States |
| Interrogation | Stephen Reynolds | action film | United States |
| Interrogation | Ryszard Bugajski | drama film, prison film | Poland |
| Interrupted Song | Frantisek Zácek, Nikoloz Sanishvili | romance film, war film | Georgian SSR, Czechoslovakia |
| Intersection | Mark Rydell | drama film | United States |
| Interstate 60 | Bob Gale | comedy film, comedy drama | Canada, United States |
| Intimacies of a Prostitute | Armando Bó | drama film, sexploitation film | Argentina |
| Intimate Enemies | Florent-Emilio Siri | drama film, war film | Morocco, France |
| Into the Abyss | Werner Herzog | drama film, prison film, documentary film | United Kingdom, Germany, United States |
| Into the Woods | Rob Marshall | fantasy film, musical film | United States |
| Intrigue | John S. Robertson | — | — |
| Introduction to Life | Igor Talankin | drama film | Soviet Union |
| Intruders | Juan Carlos Fresnadillo | horror film, thriller film | United Kingdom, Spain, United States |
| Inuyasha the Movie: Affections Touching Across Time | Toshiya Shinohara | time-travel film, fantasy film | Japan |
| Inuyasha the Movie: Swords of an Honorable Ruler | Toshiya Shinohara | time-travel film, fantasy film, action film | Japan |
| Invaders from Mars | Tobe Hooper | science fiction horror film, mystery film, fantasy film, action film, horror film, alien invasion, adventure film, war film, science fiction film, dark fantasy | United States |
| Invasion of the Body Snatchers | Don Siegel | — | — |
| Invasion U.S.A. | Joseph Zito | martial arts film, action film, propaganda film, spy film, thriller film, Christmas film, war film | United States |
| Inventiamo l'amore | Camillo Mastrocinque | comedy film | Italy |
| Investigation Held by Kolobki | Alexander Tatarsky, Igor Kovalyov | comedy film, detective fiction | Soviet Union |
| Investigation Held by ZnaToKi. Case #1. Black Brocker | Vyacheslav Brovkin | detective fiction, detective film | Soviet Union |
| Investigation of a Citizen Above Suspicion | Elio Petri | drama film, crime film | Italy |
| Invincible | Sergei Gerasimov | — | — |
| Invitation to Happiness | Wesley Ruggles | drama film | United States |
| Io | Jonathan Helpert | drama film, science fiction film | United States |
| Io amo Andrea | Francesco Nuti | romantic comedy film | Italy |
| Io sono Tempesta | Daniele Luchetti | drama film, comedy film | Italy |
| Ipar adalah Maut | Hanung Bramantyo | drama film | Indonesia |
| Iranti | Shina Ogungbe | — | Nigeria |
| Irene Huss - Det lömska nätet | Richard Holm | thriller film | Sweden |
| Irina Palm | Sam Garbarski | drama film, black comedy film | France, United Kingdom, Germany, Belgium, Luxembourg |
| Iris and the Lieutenant | Alf Sjöberg | drama film | Sweden |
| Irish Eyes Are Smiling | Gregory Ratoff | biographical film, musical film | United States |
| Iron Butterflies | Roman Liubyi | documentary film | Germany, Ukraine |
| Iron Ivan | Gleb Orlov | drama film, sport film, biographical film | Russia |
| Iron Man | Tod Browning | drama film, boxing film | United States |
| Iron Man 3 | Shane Black | superhero film, comedy film, action film, adventure film, science fiction film | United States |
| Iron Men | Yin Li | drama film | People's Republic of China |
| Ironweed | Héctor Babenco | drama film | United States |
| Irumbu Thirai | S. S. Vasan | — | India |
| Is Everybody Happy? | Charles Barton | musical film | United States |
| Is Marriage the Bunk? | Leo McCarey | — | — |
| Isaac in America: A Journey with Isaac Bashevis Singer | Amram Eli Nowak | documentary film | United States |
| Isabelita | Manuel Romero | — | — |
| Isabelle Eberhardt | Ian Pringle | drama film, biographical film | France, Australia |
| Isadora | Karel Reisz | drama film, biographical film | France, United Kingdom |
| Ishkq in Paris | Prem Raj | romance film | India |
| Ishq | — | romantic thriller | India |
| Island | Fyodor Khitruk | — | Soviet Union |
| Island & Flight | Dan Popa | documentary film | Canada |
| Island of the Fishmen | Sergio Martino | drama film, horror film, adventure film | Italy |
| Ism | Puri Jagannadh | action film, crime thriller film | India |
| Ispansi! | Carlos Iglesias Serrano | drama film | Spain |
| Istanbul | Joseph Pevney | drama film, adventure film | United States |
| Istanbul Beneath My Wings | Mustafa Altıoklar | fantasy film, LGBTQ-related film | Turkey |
| It | Andy Muschietti | coming-of-age film, psychological thriller film, contemporary fantasy, mystery film, fantasy film, horror film, thriller film, supernatural film, supernatural horror film | United States |
| It | Sergey Ovcharov | satirical film, comedy drama | Soviet Union |
| It Began in the Rain | Eddie Stenberg, Thure Bahne | thriller film | Finland |
| It Came a Trouble to the City | Mark Orlov | drama film | Soviet Union |
| It Came from Outer Space | Jack Arnold | — | — |
| It Couldn't Happen Here | Jack Bond | musical film | United Kingdom |
| It Had to Be You | Don Hartman, Rudolph Maté | romantic comedy | United States |
| It Happened in Brooklyn | Richard Whorf | musical film, romantic comedy | United States |
| It Happened in Damascus | José López Rubio, Primo Zeglio | comedy film | Italy |
| It Is No Dream | Richard Trank | documentary film | United States |
| It Must Be Heaven | Elia Suleiman | drama film, comedy film | France, Canada, Germany |
| It Started in Naples | Melville Shavelson | drama film, romantic comedy | United States, Italy |
| It's a Bear | Lawrence Clement Windom | — | — |
| It's a Big Country | Don Hartman, Charles Vidor, Richard Thorpe, William A. Wellman, Don Weis, John Sturges, Clarence Brown | drama film | United States |
| It's a Mad, Mad Vengos | Thanasis Veggos | comedy film | Greece |
| It's a Wise Child | Robert Z. Leonard | comedy film | United States |
| It's Easier for a Camel... | Valeria Bruni-Tedeschi | drama film, comedy film | France, Italy |
| It's Happening Tomorrow | Daniele Luchetti | comedy film | Italy |
| It's Hard to Be a Rock'n Roller | Gunhild Asting | documentary film | Norway |
| It's Kind of a Funny Story | Ryan Fleck, Anna Boden | teen film, comedy film, comedy drama | United States |
| It's Love I'm After | Archie Mayo | screwball comedy film, romantic comedy | United States |
| It's Only Money | Frank Tashlin | comedy film | United States |
| It's Pat | Adam Bernstein | comedy film, LGBTQ-related film | United States |
| It's Tough to Be a Bird | Ward Kimball | comedy film, live-action/animated film | United States |
| Ivan Franko | Timofei Levchuk | drama film | Soviet Union |
| Ivan Vasilievich menyaet vsyo | — | comedy film, speculative fiction film, adventure film, parody film, musical film | Russia |
| Ivanna | Kimo Stamboel | horror film, thriller film | Indonesia |
| Ivy + Bean | Elissa Down | comedy film, action film, children's film, adventure film | United States |
| Izo | Takashi Miike | drama film, fantasy film, action film, Jidaigeki | Japan |
| Izu no Odoriko | Katsumi Nishikawa | teen film | Japan |
| İki Kızgın Adam | Ertem Göreç | romance film, drama film | Turkey, Iran |
| Întoarcerea lui Voda Lapusneanu | Malvina Urșianu | historical film | Romania |