| Title | Director | Cast | Genre | Note |
|---|
| Hand of Death | Gene Nelson | John Agar,Paula Raymond | Horror | 20th Century Fox |
| Hands of a Stranger | Newt Arnold | Paul Lukather,Joan Harvey | Horror | Allied Artists |
| Hatari! | Howard Hawks | John Wayne,Red Buttons,Elsa Martinelli | Action, Comedy | Paramount |
| Heaven and Earth Magic | Harry Everett Smith | | Animated | |
| Hell Is for Heroes | Don Siegel | Steve McQueen,Fess Parker,James Coburn,Bobby Darin | War | Paramount |
| Hemingway's Adventures of a Young Man | Martin Ritt | Richard Beymer,Diane Baker,Corinne Calvet | Drama | 20th Century Fox |
| Hero's Island | Leslie Stevens | James Mason,Rip Torn | Adventure | United Artists |
| Hitler | Stuart Heisler | Richard Basehart,Maria Emo,Cordula Trantow | Biopic | Allied Artists |
| The Horizontal Lieutenant | Richard Thorpe | Jim Hutton,Paula Prentiss,Jack Carter,Miyoshi Umeki | Comedy | MGM |
| House of Women | Crane Wilbur | Shirley Knight,Andrew Duggan,Constance Ford | Drama | Warner Bros. |
| How the West Was Won | John Ford,Henry Hathaway,George Marshall | James Stewart,Debbie Reynolds,Carroll Baker,Karl Malden | Western | MGM; nominated for 8Academy Awards |
| If a Man Answers | Henry Levin | Bobby Darin,Sandra Dee,Cesar Romero | Comedy | Universal |
| In Search of the Castaways | Robert Stevenson | Hayley Mills,Maurice Chevalier,George Sanders | Family | Disney |
| Incident in an Alley | Edward L. Cahn | Harp McGuire,Virginia Christine | Crime | United Artists |
| The Inspector | Philip Dunne | Stephen Boyd,Dolores Hart,Leo McKern | Drama | 20th Century Fox |
| The Interns | David Swift | Cliff Robertson,Stefanie Powers,Telly Savalas,Michael Callan | Drama | Columbia;sequel in 1964 |
| The Intruder | Roger Corman | William Shatner,Beverly Lunsford | Drama | Filmgroup |
| Invasion of the Star Creatures | Bruno VeSota | Frank Ray Perilli,Gloria Victor | Comedy | American International Pictures |
| I Thank a Fool | Robert Stevens | Susan Hayward,Peter Finch | Drama | MGM |
| It Happened In Athens | Andrew Marton | Jayne Mansfield,Trax Colton | Comedy | Fox |
| It's Only Money | Frank Tashlin | Jerry Lewis,Zachary Scott,Joan O'Brien | Comedy | Paramount |
| Jack the Giant Killer | Nathan H. Juran | Kerwin Mathews,Torin Thatcher | Fantasy | United Artists |
| Jessica | Jean Negulesco | Angie Dickinson,Maurice Chevalier,Sylva Koscina,Agnes Moorehead | Drama | United Artists; filmed in Italy |
| Journey to the Seventh Planet | Sidney W. Pink | John Agar,Greta Thyssen | Science Fiction | American International Pictures |
| Kid Galahad | Phil Karlson | Elvis Presley,Gig Young,Lola Albright,Charles Bronson,Joan Blackman,Edward Asner | Musical | United Artists; remake of 1937 film |
| Lad, A Dog | Leslie H. Martinson,Aram Avakian | Peter Breck,Peggy McCay,Carroll O'Connor | Drama | Warner Bros. |
| Light in the Piazza | Guy Green | Olivia de Havilland,Rossano Brazzi,Barry Sullivan,Yvette Mimieux | Drama | MGM; fromnovel byElizabeth Spencer |
| The Lion | Jack Cardiff | William Holden,Trevor Howard | Drama | 20th Century Fox; filmed inKenya |
| Lolita | Stanley Kubrick | James Mason,Sue Lyon,Shelley Winters,Peter Sellers | Drama | MGM; fromVladimir Nabokov novel |
| Lonely Are the Brave | David Miller | Kirk Douglas,Walter Matthau,Gena Rowlands,Carroll O'Connor | Western | Universal; screenplay byDalton Trumbo |
| Long Day's Journey Into Night | Sidney Lumet | Katharine Hepburn,Ralph Richardson,Jason Robards,Dean Stockwell | Drama | Embassy; based onEugene O'Neill play |
| The Longest Day | Ken Annakin | John Wayne,Robert Mitchum,Henry Fonda,Richard Burton | War drama | Fox; nominated for 5Academy Awards |
| The Magic Sword | Bert I. Gordon | Basil Rathbone,Estelle Winwood,Anne Helm | Fantasy | United Artists |
| The Main Attraction | Daniel Petrie | Pat Boone,Nancy Kwan | Drama | MGM |
| The Man Who Shot Liberty Valance | John Ford | James Stewart,John Wayne,Lee Marvin,Vera Miles | Western | Paramount;Academy Award nomination for Costume Design |
| The Manchurian Candidate | John Frankenheimer | Frank Sinatra,Laurence Harvey,Janet Leigh,Angela Lansbury,James Gregory,Henry Silva,John McGiver | Drama | United Artists;Richard Condon novel;Golden Globe for Lansbury; remade in2004 |
| The Manster | George Breakston | Peter Dyneley,Tetsu Nakamura, Terri Zimmern, Jane Hylton | Horror | U.S./Japan |
| Mermaids of Tiburon | John Lamb | George Rowe,Diane Webber | Fantasy | Filmgroup |
| Merrill's Marauders | Samuel Fuller | Jeff Chandler,Ty Hardin,Claude Akins | War | Warner Bros. |
| The Miracle Worker | Arthur Penn | Anne Bancroft,Patty Duke,Victor Jory | Drama | United Artists;Helen Keller bio;Oscars for Bancroft and Duke |
| Moon Pilot | James Neilson | Tom Tryon,Edmond O'Brien,Dany Saval | Comedy | Disney |
| Mr. Hobbs Takes a Vacation | Henry Koster | James Stewart,Maureen O'Hara,Fabian,Reginald Gardiner,Marie Wilson,John McGiver | Comedy | Fox |
| The Music Man | Morton DaCosta | Robert Preston,Shirley Jones,Buddy Hackett,Ron Howard | Musical | Warner Bros.; fromMeredith Willson play; fiveOscar nominations; Remake of2003 film |
| Mutiny on the Bounty | Lewis Milestone | Marlon Brando,Trevor Howard,Richard Harris,Richard Haydn,Hugh Griffith | Adventure | MGM; remake of1935 film; sevenOscar nominations |
| My Geisha | Jack Cardiff | Shirley MacLaine,Yves Montand,Edward G. Robinson | Comedy | Paramount |