J-M
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| Johnny Concho | Don McGuire | Frank Sinatra, Phyllis Kirk | Drama | |
| Jubal | Delmer Daves | Glenn Ford, Ernest Borgnine | Western | |
| Julie | Andrew L. Stone | Doris Day, Louis Jourdan | Thriller | MGM |
| The Killing | Stanley Kubrick | Sterling Hayden | Crime | United Artists |
| The King and Four Queens | Raoul Walsh | Clark Gable, Eleanor Parker | Western | United Artists |
| The King and I | Walter Lang | Yul Brenner, Deborah Kerr | Musical | won 5 Academy Awards |
| A Kiss Before Dying | Gerd Oswald | Robert Wagner, Joanne Woodward | Thriller | United Artists |
| The Last Hunt | Richard Brooks | Robert Taylor, Stewart Granger | Western | MGM |
| The Last Wagon | Delmer Daves | Richard Widmark, Felicia Farr | Western | 20th Century Fox |
| Lisbon | Ray Milland | Ray Milland, Maureen O'Hara | Crime | Republic Pictures |
| Love Me Tender | Robert D. Webb | Elvis Presley, Debra Paget | Western | Presley's first film |
| Lust for Life | Vincente Minnelli, George Cukor | Kirk Douglas, Anthony Quinn | Biopic | Vincent van Gogh story; Oscar for Quinn |
| Man from Del Rio | Harry Horner | Anthony Quinn, Katy Jurado | Western | Paramount Pictures |
| The Man in the Gray Flannel Suit | Nunnally Johnson | Gregory Peck, Jennifer Jones | Drama | based on Sloan Wilson novel |
| The Man Who Knew Too Much | Alfred Hitchcock | Doris Day, James Stewart | Thriller | Paramount Pictures |
| Menace from Outer Space | Hollingsworth Morse | Richard Crane, Sally Mansfield | Science Fiction | |
| Moby Dick | John Huston | Gregory Peck | Adventure | Based on Herman Melville novel |
| The Mole People | Virgil W. Vogel | John Agar | Science Fiction | Universal Pictures |
| Mr. B Natural | Phil Patton | Short | Mystery Science Theater 3000 subject | |
| Mucho Mouse | Hanna Barbera | Tom and Jerry | Animation | MGM |
| Muscle Beach Tom | Hanna Barbera | Tom and Jerry | Animation | MGM |
Read more about this topic: List Of American Films Of 1956