| Titre | Réalisateur | Distribution | Genre | Notes | 
| I Married a Witch | René Clair | Veronica Lake, Fredric March | Comédie romantique | United Artists | 
| I Married an Angel | W. S. Van Dyke | Jeanette MacDonald, Nelson Eddy | Film musical | MGM | 
| In Old California | William C. McGann | John Wayne, Binnie Barnes | Western | Republic | 
| In This Our Life | John Huston | Bette Davis, Olivia de Havilland | Drame | Warner Bros. | 
| L'Agent invisible contre la Gestapo (Invisible Agent) | Edwin L. Marin | Ilona Massey, Jon Hall | Film de guerre | Universal Pictures | 
| It's All True | Orson Welles, Norman Foster |  |  | Tourné en Amérique du Sud | 
| It's Everybody's War |  |  | Court métrage guerre propagande |  | 
| Jackass Mail | Norman Z. McLeod | Wallace Beery | Western |  | 
| Jam Session |  | Duke Ellington et son orchestre jouent C Jam Blues. | Court métrage |  | 
| Japanese Relocation |  |  | Court métrage guerre propagande | Produit par l'Office of War Information | 
| Johnny Eager | Mervyn LeRoy | Robert Taylor, Lana Turner | Film noir | MGM | 
| Jungle Book | Zoltan Korda | Sabu | Film d'aventure | Alexander Korda Films pour United Artists | 
| Junior G-Men |  |  | Film d'action serial | Universal Pictures | 
| Junior G-Men of the Air |  | Dead End Kids and the Little Tough Guys | Film d'action serial | Universal Pictures | 
| Kid Glove Killer | Fred Zinnemann | Van Heflin, Marsha Hunt | Film policier | MGM | 
| King of the Mounties (en) | William Witney | Allan Lane, Gilbert Emery | Film d'action,  aventure | Republic Pictures | 
| Kings Row | Sam Wood | Ann Sheridan, Ronald Reagan, Robert Cummings | Série B, drame | Warner Bros. | 
| Larceny, Inc. | Lloyd Bacon | Edward G. Robinson, Jane Wyman, Broderick Crawford | Comédie policière | Warner Bros. | 
| The Loves of Edgar Allan Poe | Harry Lachman | Linda Darnell, Shepperd Strudwick | Drame |  | 
| The Mad Monster | Sam Newfield | George Zucco, Anne Nagel | Film d'horreur |  | 
| The Magnificent Ambersons | Orson Welles | Joseph Cotten, Anne Baxter | Drame d'amour | RKO Pictures | 
| The Major and the Minor | Billy Wilder | Ginger Rogers, Ray Milland | Comédie | Paramount Pictures | 
| The Male Animal | Elliott Nugent | Henry Fonda, Olivia de Havilland | Comédie d'amour |  | 
| The Man Who Came to Dinner | William Keighley | Monty Woolley, Bette Davis, Ann Sheridan, Billie Burke, Jimmy Durante | Comédie |  | 
| Manpower |  |  | Court métrage, film de guerre, film de propagande | Produit par l'Office of War Information | 
| Miss Annie Rooney | Edwin L. Marin | Shirley Temple, Dickie Moore, Guy Kibbee | Drame | United Artists | 
| Moontide | Archie Mayo | Jean Gabin, Ida Lupino, Claude Rains | Drame | 20th Century Fox | 
| Mrs. Miniver | William Wyler | Greer Garson, Walter Pidgeon, Teresa Wright | Drame de guerre | MGM   Oscar du meilleur film | 
| The Mummy's Tomb | Harold Young | Lon Chaney, Jr., Dick Foran | Film d'horreur | Universal Pictures | 
| My Favorite Blonde | Sidney Lanfield | Bob Hope, Madeleine Carroll | Comédie | Paramount | 
| My Favorite Duck |  | Porky Pig et Daffy Duck | Dessin animé, court métrage, comédie |  | 
| My Gal Sal | Irving Cummings | Rita Hayworth, Victor Mature, Phil Silvers | Film musical, biopic | 20th Century Fox | 
| My Sister Eileen | Alexander Hall | Rosalind Russell, Janet Blair | Film musical | Columbia Pictures | 
| 'Neath Brooklyn Bridge | Wallace Fox | Leo Gorcey, Huntz Hall | Comédie | Monogram Pictures | 
| The News Parade of the Year 1942 | Eugene W. Castle |  | Court métrage documentaire |  | 
| Night Monster | Ford Beebe | Bela Lugosi | Film à énigme, film d'horreur | Universal Pictures | 
| Night Plane from Chungking | Ralph Murphy | Robert Preston | Film de guerre, aventure, drame | Paramount Pictures | 
| Now, Voyager | Irving Rapper | Bette Davis, Claude Rains, Gladys Cooper | Drame | Warner Bros. | 
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