| Titre |
Réalisateur |
Distribution |
Genre |
Notes |
| I Accuse My Parents | Sam Newfield | Mary Beth Hughes | Film policier, drame | |
| Idle Roomers | Del Lord | Les Trois Stooges | Comédie, court métrage | Columbia Pictures |
| I'll Be Seeing You | William Dieterle | Ginger Rogers, Shirley Temple | Drame | Selznick International Pictures |
| In Our Time | Vincent Sherman | Ida Lupino, Paul Henreid | Film d'amour | Warner Bros. |
| In Society | Jean Yarbrough | Abbott et Costello | Comédie | Universal Pictures |
| The Invisible Man's Revenge | Ford Beebe | Jon Hall, John Carradine | Science fiction, Film d'horreur | Universal Pictures |
| It Happened Tomorrow | René Clair | Dick Powell, Linda Darnell | Fantasy, Comédie | 2 nominations aux Academy Award |
| Jammin' the Blues | Gjon Mili | | Court métrage | |
| Jerry ne se laisse pas faire (Mouse Trouble) | Hanna-Barbera | Tom and Jerry | Dessin animé, court métrage | MGM |
| The Keys of the Kingdom | John M. Stahl | Gregory Peck, Thomas Mitchell, Roddy McDowall | Drame | 20th Century Fox |
| Kismet | William Dieterle | Ronald Colman, Marlene Dietrich, James Craig | Film historique | MGM |
| The Lady and the Monster | George Sherman | Vera Ralston | Science fiction, Film d'horreur | Republic Pictures |
| Lady in the Dark | Kurt Weill | Ginger Rogers, Ray Milland | Film musical | |
| Invitation Ă la danse | Frank Woodruff | Belita | Film musical | Monogram Pictures |
| Laura | Otto Preminger | Gene Tierney, Dana Andrews, Clifton Webb, Vincent Price, Judith Anderson | Film noir | d'après le roman de Vera Caspary |
| Lifeboat | Alfred Hitchcock | Tallulah Bankhead, William Bendix | Film de guerre, drame | Meilleur scénario aux Oscars |
| Little Red Riding Rabbit | Friz Freleng | | Dessin animé, court métrage | Warner Bros. |
| The Lodger | John Brahm | Merle Oberon, George Sanders, Laird Cregar | Film d'horreur | 20th Century Fox |
| Lost in a Harem | Charles Reisner | Abbott et Costello | Comédie | MGM |
| Man from Frisco | Robert Florey | Michael O'Shea, Anne Shirley | Espionnage | Republic |
| The Mask of Dimitrios | Jean Negulesco | Sydney Greenstreet, Peter Lorre | Film noir | d'après le roman d'Eric Ambler |
| Meet me in Saint Louis | Vincente Minnelli | Judy Garland, Margaret O'Brien, Mary Astor | Film musical | 4 nominations aux Oscar |
| Meet the People | Charles Reisner | Lucille Ball, Dick Powell | Film musical | Metro-Goldwyn-Mayer |
| Memphis Belle: A Story of a Flying Fortress | William Wyler | | Documentaire | Paramount Pictures |
| The Million Dollar Cat | William Hanna, Joseph Barbera | | Dessin animé, court métrage | MGM |
| Ministry of Fear | Fritz Lang | Ray Milland | Film noir | Paramount Pictures |
| The Miracle of Morgan's Creek | Preston Sturges | Eddie Bracken, Betty Hutton, William Demarest | Comédie | Paramount Pictures |
| The Monster Maker | Sam Newfield | J. Carrol Naish | Science fiction | |
| Mr. Skeffington | Vincent Sherman | Bette Davis, Claude Rains | Drame | Warner Bros. |
| Mrs. Parkington | Tay Garnett | Greer Garson, Walter Pidgeon, Edward Arnold | Drame | |
| The Mummy's Curse | Leslie Goodwins | Lon Chaney | Film d'horreur | Universal Pictures |
| The Mummy's Ghost | Reginald Le Borg | Lon Chaney, John Carradine | Film d'horreur | Universal Pictures |
| Murder, My Sweet | Edward Dmytryk | Dick Powell, Claire Trevor | Film noir | RKO Pictures |
| Mystery of the River Boat | Lewis D. Collins, Ray Taylor | | Serial | Universal Pictures |
| National Velvet | Clarence Brown | Mickey Rooney, Elizabeth Taylor | Drame | MGM; remporte 2 Oscars |
| The Negro Soldier | Stuart Heisler | | Film de guerre, propagande | |
| Nevada | Edward Killy | Robert Mitchum, Anne Jeffreys | Western | RKO Pictures |
| No Dough Boys | Jules White | Les Trois Stooges | Comédie, court métrage | Columbia Pictures |
| None But the Lonely Heart | Clifford Odets | Cary Grant, Ethel Barrymore | Drame | Oscar du meilleur acteur pour Barrymore |
| None Shall Escape | André de Toth | Marsha Hunt, Henry Travers | Film de guerre, drame | Columbia Pictures |
| Nothing But Trouble | Sam Taylor | Laurel et Hardy | Comédie | MGM |