| I | — | drama film | South Korea |
| I Am a King | Jang Gyu-seong | drama film, comedy film | South Korea |
| I am an actress | Benoit Lach | fiction film | Canada |
| 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 | Anders Morgenthaler | drama film | Germany, Denmark |
| I Am Legend | Francis Lawrence | drama film, post-apocalyptic film, action film, horror film, vampire film | United States |
| I Am Not a Tourist, I Live Here | Peeter Urbla | drama film | Estonia |
| I Believe! | Lidia Bobrova | drama film | Russia |
| I Can Only Imagine | Andrew Erwin, Jon Erwin | drama film | United States |
| I Can Quit Whenever I Want: Ad Honorem | Sydney Sibilia | comedy film, action film | Italy |
| I Can Quit Whenever I Want: Masterclass | Sydney Sibilia | comedy film, action film, crime film | Italy |
| I colpevoli | Turi Vasile | drama film | France, Italy |
| I Condottieri, Giovanni delle bande nere | Giacomo Gentilomo | — | — |
| I Delfini | Francesco Maselli | drama film | France, Italy |
| I dimma dold | Lars-Eric Kjellgren | drama film, thriller film, crime film | Sweden |
| I dischi del sole | — | documentary film | Italy |
| 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 fobici | Giancarlo Scarchilli | comedy film | Italy |
| I Found Stella Parish | Mervyn LeRoy | — | — |
| I giorni dell'abbandono | Roberto Faenza | drama film | Italy |
| I giovani tigri | Antonio Leonviola | drama film | Italy |
| I Give It a Year | Dan Mazer | romantic comedy film | United Kingdom |
| I Hate Mondays | Tadeusz Chmielewski | comedy film | Poland |
| 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 Killed | Olof Molander | drama film | Sweden |
| I Know That Voice | Lawrence Shapiro | documentary film | United States |
| I Know You Are a Murderer... | Petr Schulhoff | crime film | Czechoslovakia |
| I Live for Love | Busby Berkeley | musical film | United States |
| I Love Hong Kong | Eric Tsang, Chung Shu-kai | comedy film | Hong Kong |
| I Love Trouble | Charles Shyer | romantic comedy film, action film, thriller film, crime film | United States |
| I Love Trouble | S. Sylvan Simon | film noir | United States |
| I Love You | Walter Edwards | — | — |
| I Love You in Every Language in the World | Leonardo Pieraccioni | comedy film | Italy |
| I Love You Too | Daina Reid | romantic comedy | Australia |
| I Love You, Goodbye | Laurice Guillen | romance film | Philippines |
| I Love You, Life! | Mikhail Yershov | drama film | Soviet Union |
| I Love You, Man | John Hamburg | romantic comedy film, buddy film | United States |
| I Loved a Woman | Alfred Edward Green | drama film | United States |
| I Loved an Armchair | Dinos Dimopoulos | comedy film | Greece |
| I Loved You | Ilya Frez | teen film, romantic comedy film | Soviet Union |
| I Married a Witch | René Clair | — | — |
| I Met a Girl | Rafail Perelshtejn | — | — |
| I Met Him in Paris | Wesley Ruggles | romantic comedy | United States |
| I Might Be Dead by Tomorrow | Steve Patry, Steve Patry | documentary film | Canada |
| I Murder Seriously | Antonio Urrutia | comedy film, thriller film | Spain, Mexico |
| I Not Stupid Too | Jack Neo | comedy drama | Singapore |
| I Pagliacci | G. B. Samuelson | — | — |
| I piaceri dello scapolo | Giulio Petroni | comedy film | Italy |
| I Prefer the Sound of the Sea | Mimmo Calopresti | drama film | France, Italy |
| I ragazzi di via Panisperna | Gianni Amelio | drama film, historical film | Italy |
| I Remember Everything, Richard | Rolands Kalniņš | drama film | Soviet Union |
| I Sell Anything | Robert Florey | — | — |
| I Shot Andy Warhol | Mary Harron | drama film, LGBTQ-related film, biographical film, crime film | United Kingdom, United States |
| I soliti idioti: Il film | Enrico Lando | comedy film | Italy |
| I Spit on Your Grave | Steven R. Monroe | exploitation film, horror film, rape and revenge film, thriller film, splatter film, crime film | United States |
| I theia mou, i hipissa | Alekos Sakellarios | comedy film | Greece |
| I Think I Love My Wife | Chris Rock | romantic comedy | United States |
| I Want to Forget | James Kirkwood | — | — |
| I Want to Live! | Robert Wise | drama film, trial film, prison film, biographical film, crime film | United States |
| I Was a Teenage TV Terrorist | Stanford Singer | comedy film | United States |
| I Was Here | René Vilbre | teen film, drama film | Estonia |
| I Was Nineteen | Konrad Wolf | drama film, war film | East Germany |
| I Will Dance! | Tofig Taghizade | musical film | Soviet Union |
| I Will Repay | William P.S. Earle | — | — |
| I Won't Come Back | Ilmar Raag | drama film | Russia, Belarus, Estonia, Kazakhstan, Finland |
| I Wouldn't Be in Your Shoes | William Nigh | film noir, crime film | United States |
| I'll Be Home for Christmas | Ella Lemhagen | drama film, Christmas film | Sweden |
| I'll Be Yours | William A. Seiter | — | — |
| I'll Get You for This | Joseph M. Newman | — | — |
| I'll Say So | Raoul Walsh | — | — |
| I'm a Soldier Mom | Manos Zacharias | drama film | Soviet Union |
| I'm Fine, Don't Worry | Philippe Lioret | romance film, drama film | France |
| I'm from Missouri | Theodore Reed | drama film, comedy film | United States |
| I'm Going Home | Manoel de Oliveira | drama film, comedy drama | France, Portugal |
| I'm going to search | Igor Dobrolyubov | drama film | Soviet Union |
| I'm Gone, a film about Amy | Geneviève Philippon, Julie Bourbonnais | documentary film | Canada |
| I'm in the Revue | Mario Soldati | — | — |
| I'm Losing You | Bruce Wagner | drama film | United States |
| I'm Nevenka | Icíar Bollaín | drama film | Spain |
| I've Always Loved You | Frank Borzage | drama film | United States |
| I, Cesar | Richard Berry | drama film, comedy film | France |
| I, Daniel Blake | Ken Loach | drama film | France, United Kingdom, Belgium |
| I, His Father | Mario Bonnard | drama film, comedy film, boxing film | Italy |
| I, Son of Working People... | Vladimir Strelkov | drama film | Soviet Union |
| I, The Executioner | Ryoo Seung-wan | action film, thriller film | South Korea |
| I.K.U. | Shu Lea Cheang | cyberpunk, pornographic film, science fiction film | Japan |
| I.Q. | Fred Schepisi | romantic comedy | United States |
| I.S.S. | Gabriela Cowperthwaite | thriller film, science fiction film | United States |
| I.T. | Alvin Soprano | comedy film, horror film, short film | United States |
| Ibu, Bagaimana Aku Tanpamu? | Herwin Novianto | drama film, family film | Indonesia |
| Ice | Oleg Trofim | music-themed film, teen film, romantic drama film, sport film | Russia |
| Ice Age: Collision Course | Galen T. Chu, Mike Thurmeier | family film, comedy film, adventure film, science fiction film | United States |
| Ice Bar | — | drama film | South Korea |
| Ice-Capades | Joseph Santley | romance film, comedy film, musical film | United States |
| Iceland | H. Bruce Humberstone | — | — |
| Ich bin Enric Marco | Santiago Fillol | documentary film | Spain |
| Identity | James Mangold | mystery film, horror film, thriller film | United States |
| Idiot in Paris | Serge Korber | comedy film | France |
| Idol of the Crowds | Arthur Lubin | romance film, drama film | United States |
| Idol on Parade | John Gilling | — | — |
| IF | John Krasinski | fantasy film, comedy film, speculative fiction film, adventure film, musical film | United States |
| If a Man Answers | Henry Levin | romance film, comedy film | United States |
| If Footmen Tire You, What Will Horses Do? | Ron Ormond | dystopian film | United States |
| If Four Walls Told | Fred Paul | — | — |
| If I Had My Way | David Butler | musical film | United States |
| If I Should Die Before I Wake | Carlos Hugo Christensen | — | — |
| If I were a Boy | Audrey Dana | comedy film | France |
| If I Were Free | Elliott Nugent | drama film | United States |
| If I Were Rich Man | Álvaro Fernández Armero | comedy film | Spain |
| If I Were the Boss... | Albert S. Mkrtchyan | — | Soviet Union |
| If the Huns Came to Melbourne | George Coates | — | — |
| If These Walls Could Talk | Cher | drama film | United States |
| If These Walls Could Talk 2 | Anne Heche | romance film, drama film, LGBTQ-related film, LGBT-related television series | United States |
| If to Believe Lopotukhin... | Mikhail Kozakov | science fiction film | Soviet Union |
| If We Survive It All... | Rolands Kalniņš | drama film | Soviet Union |
| If You Have an Aunt | Carl Boese | — | — |
| If You Knew Susie | Gordon Douglas | comedy film | United States |
| If You Want to Be Happy | Nikolai Gubenko | melodrama | Soviet Union |
| If You Were Me 3 | Jeong Yun-cheol | drama film | South Korea |
| If... Dog... Rabbit... | Matthew Modine | drama film | United States |
| Igby Goes Down | Burr Steers | coming-of-age film, teen film, drama film, comedy film | United States |
| Igla Remix | Rashid Nugmanov | drama film, thriller film | Russia, Kazakhstan |
| IGo to Japan | Steve Hoefer | adventure film, comedy television program | United States |
| Igor and the Lunatics | W.J. Parolini | horror film | United States |
| Igra v pravdu | Viktor Shamirov | drama film | Russia |
| Igualita a mí | Diego Kaplan | comedy film | Argentina |
| Ija emere ati aje | — | — | Nigeria |
| Ikaw Ang Pag-ibig | Marilou Diaz-Abaya | drama film | Philippines |
| Ikíngut | Gísli Snær Erlingsson | family film, action film, adventure film | Iceland, Norway, Denmark |
| Il bell'Antonio | Mauro Bolognini | drama film | France, Italy |
| Il bidone | Federico Fellini | drama film, crime film | France, Italy |
| Il capestro degli Asburgo | Gustavo Serena | — | — |
| Il Conte di Sant'Elmo | Guido Brignone | drama film | Italy |
| Il cosmo sul comò | Marcello Cesena | comedy film | Italy |
| Il disertore | Giuliana Berlinguer | drama film, war film | Italy |
| Il Divo | Paolo Sorrentino | drama film | France, Italy |
| Il furto è l'anima del commercio!?... | Bruno Corbucci | comedy film, crime film | Italy |
| Il giovane normale | Dino Risi | comedy film | Italy |
| Il grande maestro | Daniele D'Anza | comedy film | Italy |
| Il lungo inverno | Ivo Barnabò Micheli | drama film | Italy, West Germany |
| Il Maestro | Marion Hänsel | drama film | France |
| Il mio paese | Daniele Vicari | documentary film | Italy |
| Il Mulatto | Francesco De Robertis | war film | Italy |
| Il n'y a pas d'ombre dans le désert | Yossi Aviram | drama film | France, Israel |
| Il piccolo Archimede | Gianni Amelio | comedy drama | Italy |
| Il seduttore | Franco Rossi | comedy film | Italy |
| Il treno crociato | Carlo Campogalliani | drama film | Italy |
| Il tuttofare | Daniele D'Anza | comedy film | Italy |
| Iligos | Giannis Dalianidis | drama film | Greece |
| Ill Starred Babbie | Sherwood MacDonald | — | — |
| Illang: The Wolf Brigade | Kim Ji-woon | drama film, action film | South Korea |
| Illegal | Lewis Allen | — | — |
| Illegal in Blue | Stu Segall | drama film, action film, thriller film, crime film | United States |
| Images | Robert Altman | drama film | United Kingdom, United States |
| Imagine: John Lennon | Andrew Solt | biographical film, musical film, documentary film | United Kingdom, United States |
| Imaginum | Isaac Sandoval, Alberto Mar | science fiction film | Mexico |
| Imatra | Corso Salani | documentary film | Italy |
| Imitation of Life | John M. Stahl | romance film, drama film | United States |
| Impact | Arthur Lubin | drama film, film noir, crime film | United States |
| Impostor | Gary Fleder | drama film, action film, alien invasion, science fiction film | United States |
| Impromptu | Bruce Alcock | — | Canada |
| Impulse | Cy Endfield | — | — |
| In Bad | Edward Sloman | — | — |
| In Bed | Nitzan Gilady | drama film, thriller, LGBTQ-related film | Israel |
| In Darkness and in Light | — | fantasy film | United States |
| In dast kaje | Mehdi Reisfirooz | — | Iran |
| In Enemy Country | Harry Keller | action film | United States |
| In Every Woman's Life | Irving Cummings | — | — |
| In Her Place | Maite Alberdi | drama film, crime film | Chile |
| In Her Shoes | Curtis Hanson | drama film, romantic comedy | United Kingdom, United States |
| In High Places | Mario Soldati | comedy film | Italy |
| In Jazz Style | Stanislav Govorukhin | romantic comedy film | Russia |
| In Judgment Of | William Senderling Davis | — | — |
| In My Life | Olivia Lamasan | LGBTQ-related film, comedy drama | Philippines |
| In Old California | William C. McGann | Western film | United States |
| In Old Kentucky | George Marshall | comedy film | United States |
| In Old Oklahoma | Albert S. Rogell | drama film, Western film | United States |
| In Old Santa Fe | David Howard | — | — |
| In S. City | Iosif Kheifits | drama film, historical film | Soviet Union |
| In Search of Captain Grant | Stanislav Govorukhin | — | People's Republic of Bulgaria, Soviet Union |
| In Search of the Castaways | Victorin-Hippolyte Jasset | — | — |
| In session, do not disturb | Simon P.R. Bewick | documentary film | France |
| In Spring | Mikhail Kaufman | — | — |
| In That Land... | Lidia Bobrova | drama film | Russia |
| In the Army Now | Daniel Petrie | comedy film, war film | United States |
| In the Bears' Claws | Jean Durand | — | — |
| 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 Company of Men | Neil LaBute | drama film | Canada, United States |
| In the Cool of the Day | Robert Stevens | drama film | United States |
| In the Crosswind | Martti Helde | drama film, historical film | Estonia |
| In the Days of Buffalo Bill | Edward Laemmle | — | — |
| In the Days of Whore | Thomas Zupko | drama film, historical film, pornographic film, horror film | United States |
| In the Doghouse | Darcy Conyers | comedy film | United Kingdom |
| In the Doll Land | Vyacheslav Levandovsky | fantasy film, live-action/animated film | Soviet Union |
| In the Earth | Ben Wheatley | psychological horror film, science fiction film | United Kingdom, United States |
| In the Electric Mist | Bertrand Tavernier | mystery film, drama film, crime film | France, United States |
| In the Employ of the Secret Service | Gustav Ucicky | drama film | Weimar Republic |
| In the Headlines | John G. Adolfi | — | — |
| In the Heart of the Sea | Ron Howard | drama film, survival film, historical film, action film, adventure film, biographical film | Spain, United States, Australia |
| In the House | François Ozon | mystery film, drama film, thriller film, comedy drama | France |
| In the Land of Blood and Honey | — | romance film, drama film, war film | United States |
| In the Land of Brothers | Raha Amirfazli, Alireza Ghasemi | drama film | France, Netherlands, Iran |
| In the Land of Wonders | Dejan Šorak | — | Croatia, Hungary |
| In the Line of Fire | Wolfgang Petersen | political thriller film, drama film, action film, thriller film, crime film | United States |
| In the Meantime, Darling | Otto Preminger | drama film | United States |
| In the Name of Love | Howard Higgin | — | — |
| 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 Thirteenth Hour of the Night | Larisa Shepitko | musical film | Soviet Union |
| In Town Tonight | Herbert Smith | musical film | United Kingdom |
| In Your Eyes | Brin Hill | drama film, science fiction film, romantic comedy | United States |
| Inazuma Eleven: Saikyō Gundan Ōga Shūrai | Yoshikazu Miyao | association football video game, association football film | Japan |
| Incendiary Blonde | George Marshall | biographical film, musical film | United States |
| Inception | — | mystery film, drama film, action film, science fiction action film, thriller film, adventure film, science fiction film, heist film | United Kingdom, United States |
| Inch by Inch | Matt Sterling | gay pornographic film | United States |
| Incident at Map Grid 36-80 | Mikhail Tumanishvili | action film, thriller film | Soviet Union |
| Incident in the Taiga | Yuri Yegorov | — | — |
| Incognito from St. Petersburg | Leonid Gaidai | comedy film | Soviet Union |
| Incontrôlable | Raffy Shart | comedy film | France |
| Incredible but True | Quentin Dupieux | surreal humour, comedy film | France, Belgium |
| Indecent Proposal | Adrian Lyne | romance film, drama film | United States |
| Independence Day | Robert Mandel | romance film, drama film | United States |
| India | Armando Bó | drama film | Argentina |
| India's Most Wanted | Raj Kumar Gupta, Suhaib Ilyasi | — | India |
| Indian | N. Maharajan | crime film | India |
| Indian Rupee | Ranjith | drama film, family film | India |
| Indian Summer | Noh Hyo-jeong | drama film | South Korea |
| Indignation | James Schamus | coming-of-age film, drama film, LGBTQ-related film | United States |
| Indivisible | David G. Evans | drama film, war film | United States |
| Indoctrinate U | Evan Coyne Maloney | documentary film | United States |
| Inescapable | Ruba Nadda | thriller film | Canada |
| Inevitable | Jorge Algora | drama film | Argentina |
| Infelici e contenti | Neri Parenti | comedy film | Italy |
| Infernal Affairs III | Alan Mak, Andrew Lau | drama film, action film, crime thriller film | Hong Kong |
| Infinite | Antoine Fuqua | science fiction film | United States |
| Info Wars | Sebastian J. F. | documentary film | Austria |
| Inganno | Guido Brignone | — | — |
| INGtoogi: The Battle of Surpluses | Um Tae-hwa | drama film, action film | South Korea |
| Inherit the Wind | Stanley Kramer | drama film, trial film | United States |
| Ini Kisah Tiga Dara | Nia Dinata | — | Indonesia |
| Initial D | Alan Mak, Andrew Lau | teen film, action film | People's Republic of China, Hong Kong |
| Ink | Danny Boyle | drama film, biographical film | United Kingdom |
| Inkwo for When the Starving Return | Amanda Strong | animated short film | Canada |
| Inland Empire | David Lynch | psychological horror film, psychological thriller film, suspense film, mystery film, fantasy film, horror film, neo-noir, thriller film, independent film, psychological drama film, experimental film | France, United States, Poland |
| Inner Workings | Leo Matsuda | comedy film | United States |
| Innocent Lilies | Koichi Sakamoto | drama film, fantasy film, action film | Japan |
| Innocent Witness | Lee Han | drama film, legal drama | South Korea |
| Innu Nikamu: Resist and Sing | — | — | Canada |
| Inostranka | Konstantin Zhuk, Aleksandr Seryj | comedy film | Soviet Union |
| Inquest of Pilot Pirx | Marek Piestrak | thriller film, science fiction film | Soviet Union, Estonia, Poland |
| Inseparable Bros | Yook Sang-hyo | drama film | South Korea |
| Inside Lara Roxx | Mia Donovan | LGBTQ-related film, documentary film | Canada |
| Inside Moves | Richard Donner | drama 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 the Iranian Uprising | — | documentary film | United Kingdom |
| Insidious | James Wan | mystery film, drama film, horror film, thriller film, ghost film, supernatural film, psychological horror fiction | Canada, United States |
| Insidious: Chapter 2 | James Wan | horror film, LGBTQ-related film, thriller film, ghost film | Canada, United States |
| Insidious: Chapter 3 | Leigh Whannell | horror film, thriller film, ghost film | Canada, United States |
| Insidious: Out of the Further | Jacob Chase | supernatural horror film | United States, Australia |
| Insidious: The Last Key | Adam Robitel | horror film, LGBTQ-related film, thriller film, ghost film, supernatural horror film | United States |
| Insidious: The Red Door | Patrick Wilson | horror film, speculative fiction film, supernatural horror film | United States |
| Inspector Gadget | David Kellogg | comedy film, action film | United States |
| Inspekcja pana Anatola | Jan Rybkowski | — | — |
| Inspiration | Clarence Brown | drama film | United States |
| Instant Family | Sean Anders | drama film, comedy film | United States |
| Insya Allah Sah | Benni Setiawan | drama film | Indonesia |
| Intensive Care | Pyotr Todorovskiy Jr. | drama film | Russia |
| Intercourse: Special Sister-In-Law | Kim Hwan | erotic film | South Korea |
| Intermediaries | Hassan Mohammadzadeh | — | Iran |
| Internal Damnation 8 | Chris Streams | pornographic film | United States |
| Internet Famous | Michael J. Gallagher | parody film | United States |
| Interrogation | Rustam Ibrahimbeyov, Rasim Ojagov | mystery film, drama film, detective film | Azerbaijan Soviet Socialist Republic, Soviet Union |
| Interrupted Song | Frantisek Zácek, Nikoloz Sanishvili | romance film, war film | Georgian SSR, Czechoslovakia |
| Intersection | Mark Rydell | drama film | United States |
| Interstella 5555: The 5tory of the 5ecret 5tar 5ystem | Leiji Matsumoto | adventure anime and manga, science fiction film, musical film | France, Japan |
| Intervention | Gennadi Poloka | historical film, adventure film, musical film, comedy drama | Soviet Union |
| Intervenção, É Proibido Morrer | — | action film | Brazil |
| Interzone | Deran Sarafian | post-apocalyptic film | Italy |
| Intimate Enemies | Florent-Emilio Siri | drama film, war film | Morocco, France |
| Intimate Treasures | Mike Foster | pornographic film | France |
| Intlo Deyyam Nakem Bhayam | G. Nageswara Reddy | comedy horror | India |
| Into Harm's Way | — | documentary film | United States |
| Into the West | Mike Newell | fantasy film | Ireland |
| Into the Wild | Sean Penn | drama film, drama fiction, docudrama, road movie, biographical film | United States |
| Intramuros | Eddie Romero | war film | Philippines |
| Inu-Oh | Masaaki Yuasa | fantasy film, musical film | Japan |
| Inugami | Masato Harada | drama film, horror film | Japan |
| Investigation Held by ZnaToKi. Case #1. Black Brocker | Vyacheslav Brovkin | detective fiction, detective film | Soviet Union |
| Invincible Shaolin | Chang Cheh | martial arts film | Hong Kong |
| Invincible Sword | Hsu Tseng-Hung | action film, adventure film | Hong Kong, Taiwan |
| Irati | Paul Urkijo | fantasy film, adventure film, medieval film | France, Spain |
| Irene Huss - Det lömska nätet | Richard Holm | thriller film | Sweden |
| Ireti | — | — | Nigeria |
| Irma la Douce | Billy Wilder | comedy film, romantic comedy | United States |
| Irma Vep | Olivier Assayas | drama film, comedy film | France |
| Iron Man | Jon Favreau | superhero film, action film, adventure film, science fiction film | United States |
| Iron Man | Joseph Pevney | drama film, film noir, boxing film | United States |
| Iron Man 3 | Shane Black | superhero film, comedy film, action film, adventure film, science fiction film | United States |
| Iron Will | Charles Haid | adventure film | United States |
| Irrlicht | Erik Lund | — | — |
| Iru Vallavargal | K. V. Srinivasan | spy film | India |
| Irudhi Suttru | Sudha Kongara Prasad | boxing film | India |
| Irumbu Thirai | P.S Mithran | action film, science fiction film | India |
| Is Everybody Happy? | Archie Mayo | — | — |
| Is Paris Burning? | René Clément | drama film, war film | France, United States |
| Is This Thing On? | Bradley Cooper | comedy drama | United States |
| Isabelle Eberhardt | Ian Pringle | drama film, biographical film | France, Australia |
| Isadora | Karel Reisz | drama film, biographical film | France, United Kingdom |
| Ishchite i naydyote | Boris Romanov | romance film, drama film | Soviet Union |
| Ishkueu territory Woman territory | Claude Hamel | documentary film | Canada |
| Ishq Tu Hi Tu | Tapas Sargharia | — | India |
| Ishqiya | Abhishek Chaubey | drama film | India |
| Ishtar | Elaine May | comedy thriller, action comedy film, buddy film | United States |
| Isidro el Labrador | Rafael J. Salvia | drama film, biographical film | Spain |
| Island Keeper | Chen li | biographical drama film | People's Republic of China |
| Isle of Destiny | Elmer Clifton | — | — |
| Isle of Fury | Frank McDonald | adventure film | United States |
| Ism | Puri Jagannadh | action film, crime thriller film | India |
| Istanbul Echoes | Giulia Frati | documentary film | France, Canada |
| It | Tommy Lee Wallace | horror television series, adventure television series | Canada, United States |
| It All Starts Today | Bertrand Tavernier | drama film | France |
| It Came from Outer Space | Jack Arnold | — | — |
| It Couldn't Happen Here | Jack Bond | musical film | United Kingdom |
| It Ends | Alexander Ullom | comedy film, horror film, thriller film | United States |
| It Happened in Brooklyn | Richard Whorf | musical film, romantic comedy | United States |
| It Happened in the Donbass | Leonid Lukov | — | — |
| It Happened Near the Sea | Ayan Shakhmaliyeva | teen film, drama film | Soviet Union |
| It Lives Inside | Bishal Dutta | supernatural horror film | Canada, United States |
| It Pays to Advertise | Donald Crisp | — | — |
| It Started in Naples | Melville Shavelson | drama film, romantic comedy | United States, Italy |
| It Started with Eve | Henry Koster | — | — |
| It Takes Two to Sin in Love | Vittorio Cottafavi | drama film | Italy |
| It! The Terror from Beyond Space | Edward L. Cahn | — | — |
| It's "Just" Anxiety | Susan Polis Schutz | documentary film | United States |
| It's a Date | William A. Seiter, Joe Pasternak, Frederick Kohner, Ralph Block, Norman Krasna | musical film, romantic comedy | United States |
| It's a Gift | Norman Z. McLeod | comedy film | United States |
| It's a Great Life | Sam Wood | — | — |
| It's Easier for a Camel... | Valeria Bruni-Tedeschi | drama film, comedy film | France, Italy |
| It's Written in the Stars | Siamak Yasemi | — | Iran |
| Italia '61 | Jan Lenica | — | United States, Italy |
| Italian for Beginners | Lone Scherfig | romance film, drama film, comedy film, romantic comedy | Sweden, Denmark |
| Italian Race | Matteo Rovere | drama film, sport film | Italy |
| Itinerary of a Spoiled Child | Claude Lelouch | drama film, melodrama | France, Germany |
| Ivan | Vitali Dudin | drama film | Soviet Union |
| Ivan Franko | Timofei Levchuk | drama film | Soviet Union |
| Ivan Tsarevich and the Gray Wolf | Vladimir Toropchin | fantasy film, comedy film, children's film, adventure film | Russia |
| Ivanhoe | Douglas Camfield | romance film, drama television series, swashbuckler film, adventure film, medieval film | United Kingdom, United States |
| Ivanna | Kimo Stamboel | horror film, thriller film | Indonesia |
| Ivanna | Viktor Ivchenko | drama film, war film | Soviet Union |
| Izdrži prijatelju, stižem! | — | war film, documentary film | Croatia |
| Izu no Odoriko | Katsumi Nishikawa | teen film | Japan |
| İki Kızgın Adam | Ertem Göreç | romance film, drama film | Turkey, Iran |