| Title | Director | Cast | Genre | Notes |
|---|
| I, Claudius | Josef von Sternberg | Charles Laughton, Emlyn Williams, Merle Oberon | Historical | Uncompleted adaptation of Robert Graves's novel |
| Intimate Relations | Clayton Hutton | June Clyde, Garry Marsh, Jack Hobbs | Comedy | |
| It's a Grand Old World | Herbert Smith | Gina Malo, Sandy Powell, Cyril Ritchard | Comedy | |
| It's Never Too Late to Mend | David MacDonald | Tod Slaughter, Jack Livesey, Marjorie Taylor | Melodrama | |
| It's Not Cricket | Ralph Ince | Claude Hulbert, Henry Kendall, Betty Lynne | Comedy | |
| Jennifer Hale | Bernard Mainwaring | René Ray, Ballard Berkeley, John Longden | Crime | |
| Jericho | Thornton Freeland | Paul Robeson, Henry Wilcoxon, Wallace Ford | Adventure | |
| Jump for Glory | Raoul Walsh | Douglas Fairbanks Jr., Valerie Hobson, Alan Hale | Drama | |
| Kathleen Mavourneen | Norman Lee | Sally O'Neil, Tom Burke, Jeanne Stuart | Musical | |
| Keep Fit | Anthony Kimmins | George Formby, Kay Walsh, Guy Middleton | Comedy | |
| King Solomon's Mines | Robert Stevenson, Geoffrey Barkas | Cedric Hardwicke, Anna Lee, Paul Robeson | Adventure | Based on novel by H. Rider Haggard |
| Knight Without Armour | Jacques Feyder | Marlene Dietrich, Robert Donat, Irene Vanbrugh | Drama | |
| Knights for a Day | Norman Lee | Nelson Keys, John Garrick, Nancy Burne | Comedy | |
| Lancashire Luck | Henry Cass | George Carney, Wendy Hiller, Nigel Stock | Comedy | |
| Landslide | Donovan Pedelty | Jimmy Hanley, Dinah Sheridan, Elizabeth Inglis | Drama | |
| The Last Adventurers | Roy Kellino | Niall MacGinnis, Linden Travers, Kay Walsh | Drama | |
| The Last Chance | Thomas Bentley | Frank Leighton, Judy Kelly, Laurence Hanray | Drama | |
| The Last Curtain | David MacDonald | Campbell Gullan, Kenne Duncan, Greta Gynt | Crime | |
| The Last Rose of Summer | James A. FitzPatrick | John Garrick, Cecil Ramage, Kathleen Gibson | Musical | [1] |
| Leave It to Me | Herbert Smith | Sandy Powell, Franklin Dyall, Garry Marsh | Comedy | [2] |
| Let's Make a Night of It | Graham Cutts | Charles "Buddy" Rogers, June Clyde, Claire Luce | Comedy | |
| The Lilac Domino | Frederic Zelnik | June Knight, Fred Emney, Richard Dolman | Musical | |
| Little Miss Somebody | Walter Tennyson | Binkie Stuart, Kathleen Kelly, Jane Carr | Drama | [3] |
| The Live Wire | Herbert Brenon | Bernard Nedell, Felix Aylmer, Jean Gillie | Comedy | [4] |
| London Melody | Herbert Wilcox | Anna Neagle, Tullio Carminati, Robert Douglas | Musical | |
| Love from a Stranger | Rowland V. Lee | Ann Harding, Basil Rathbone, Binnie Hale | Thriller | |
| Lucky Jade | Walter Summers | Betty Ann Davies, John Warwick, Syd Crossley | Comedy crime | |
| Macushla | Alex Bryce | Liam Gaffney, Max Adrian, Edgar K. Bruce | Drama | |
| Make-Up | Alfred Zeisler | Nils Asther, June Clyde, Judy Kelly | Drama | |
| The Man Who Could Work Miracles | Lothar Mendes | Roland Young, Ralph Richardson | Fantasy | |
| The Man Who Made Diamonds | Ralph Ince | Noel Madison, James Stephenson, Lesley Brook | Crime | |
| Mayfair Melody | Arthur B. Woods | Keith Falkner, Chili Bouchier, Bruce Lester | Musical | |
| Melody and Romance | Maurice Elvey | Hughie Green, Margaret Lockwood, Alastair Sim | Comedy | |
| Member of the Jury | Bernard Mainwaring | Ellis Irving, Marjorie Hume, Franklyn Bellamy | Crime | |
| Merry Comes to Town | George King | Zasu Pitts, Guy Newall, Betty Ann Davies | Comedy | |
| Midnight Menace | Sinclair Hill | Charles Farrell, Margaret Vyner, Fritz Kortner | Thriller | |
| Millions | Leslie S. Hiscott | Gordon Harker, Frank Pettingell, Jane Carr | Comedy | |
| The Minstrel Boy | Sidney Morgan | Fred Conyngham, Chili Bouchier, Lucille Lisle | Musical | |
| Missing, Believed Married | John Paddy Carstairs | Wally Patch, Julian Vedey, Hazel Terry | Comedy | |
| Moonlight Sonata | Lothar Mendes | Ignacy Jan Paderewski, Charles Farrell, Eric Portman | Drama | |
| Mr. Smith Carries On | Lister Laurance | Edward Rigby, Julien Mitchell, Basil Langton | Crime | |
| Museum Mystery | Clifford Gulliver | Elizabeth Inglis, Gerald Case, Charles Paton | Crime | |
| The Mutiny of the Elsinore | Roy Lockwood | Lyn Harding, Paul Lukas, Kathleen Kelly | Action | |
| Night Ride | John Paddy Carstairs | Wally Patch, Jimmy Hanley, Julian Vedey | Drama | |
| Non-Stop New York | Robert Stevenson | John Loder, Anna Lee, Francis L. Sullivan | Crime | |
| O.H.M.S. | Raoul Walsh | Wallace Ford, John Mills, Anna Lee | Action comedy | |
| O-Kay for Sound | Marcel Varnel | The Crazy Gang, Fred Duprez, Enid Stamp Taylor | Comedy |
| Oh, Mr Porter! | Marcel Varnel | Will Hay, Graham Moffatt, Moore Marriott | Comedy | |
| Old Mother Riley | Oswald Mitchell | Arthur Lucan, Kitty McShane, Barbara Everest | Comedy | |
| Our Fighting Navy | Norman Walker | Robert Douglas, Richard Cromwell, Hazel Terry | Action | |
| Over She Goes | Graham Cutts | Stanley Lupino, Claire Luce, Max Baer | Musical comedy | |
| Paradise for Two | Thornton Freeland | Jack Hulbert, Patricia Ellis, Googie Withers | Comedy | |
| Passenger to London | Lawrence Huntington | John Warwick, Jenny Laird, Nigel Barrie | Thriller | |
| Patricia Gets Her Man | Reginald Purdell | Hans Söhnker, Lesley Brook, Edwin Styles | Comedy | |
| Pearls Bring Tears | Manning Haynes | John Stuart, Dorothy Boyd, Googie Withers | Comedy | |
| The Penny Pool | George Black | Douglas Wakefield, Gabrielle Brune, Tommy Fields | Comedy | |
| The Perfect Crime | Ralph Ince | Ralph Ince, Hugh Williams, Glen Alyn | Crime | |
| Please Teacher | Stafford Dickens | Bobby Howes, René Ray, Wylie Watson | Comedy | |
| The Price of Folly | Walter Summers | Leonora Corbett, Colin Keith-Johnston, Judy Kelly | Drama | |
| Racing Romance | Maclean Rogers | Bruce Seton, Marjorie Taylor, Eliot Makeham | Comedy | [5] |
| The Rat | Thomas Bentley | Anton Walbrook, Ruth Chatterton, Rene Ray | Drama | |
| Return of the Scarlet Pimpernel | Hanns Schwarz | Barry K. Barnes, James Mason, Margaretta Scott | Thriller | |
| Return of a Stranger | Victor Hanbury | Griffith Jones, Rosalyn Boulter, Athole Stewart | Drama | |
| The Reverse Be My Lot | Raymond Stross | Ian Fleming, Marjorie Corbett, Mickey Brantford | Drama | |
| Rhythm Racketeer | James Seymour | Harry Roy, Princess Pearl, Norma Varden | Musical | |
| Riding High | David MacDonald | Claude Dampier, John Garrick, Kathleen Gibson | Comedy | |
| The Robber Symphony | Friedrich Feher | Françoise Rosay, Magda Sonja, George Graves | Musical | |
| A Romance in Flanders | Maurice Elvey | Paul Cavanagh, Marcelle Chantal, Garry Marsh | Drama | |
| Rose of Tralee | Oswald Mitchell | Binkie Stuart, Kathleen O'Regan, Fred Conyngham | Musical | |
|