O-S
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| Orchestra Wives | Archie Mayo | Ann Rutherford, George Montgomery | Musical | 20th Century Fox |
| Overland Mail | Ford Beebe | Noah Beery, Jr. | Western | Universal Pictures |
| The Palm Beach Story | Preston Sturges | Claudette Colbert, Joel McCrea, Mary Astor, Rudy Vallee | Screwball comedy | Paramount Pictures |
| Panama Hattie | Norman Z. McLeod | Red Skelton, Ann Sothern | Musical | MGM |
| Pardon My Sarong | Erle C. Kenton | Abbott and Costello | Comedy | Universal Pictures |
| Perils of Nyoka | William Witney | Kay Aldridge | Action adventure | Republic Pictures |
| The Pied Piper | Irving Pichel | Monty Woolley, Roddy McDowall | War | 20th Century Fox |
| Pittsburgh | Lewis Seiler | John Wayne, Marlene Dietrich, Randolph Scott | Drama | Universal Pictures |
| The Pride of the Yankees | Sam Wood | Gary Cooper, Teresa Wright | Baseball biopic | RKO Pictures |
| Puss 'n' Toots | William Hanna, Joseph Barbera | Short animation | MGM | |
| Random Harvest | Mervyn LeRoy | Ronald Colman, Greer Garson | Drama | MGM |
| Reap the Wild Wind | Cecil B. DeMille | John Wayne, Paulette Goddard, Ray Milland | Adventure | Paramount Pictures |
| Reunion in France | Jules Dassin | Joan Crawford, John Wayne, Philip Dorn | Drama | MGM |
| Ride 'Em Cowboy | Arthur Lubin | Abbott and Costello | Comedy | Universal Pictures |
| Rings on Her Fingers | Rouben Mamoulian | Henry Fonda, Gene Tierney | Comedy | 20th Century Fox |
| Rio Rita | S. Sylvan Simon | Abbott and Costello | Comedy | MGM |
| Road to Morocco | David Butler | Bing Crosby, Bob Hope, Dorothy Lamour | Road musical | Paramount Pictures |
| Roxie Hart | William A. Wellman | Ginger Rogers | Comedy | |
| Saboteur | Alfred Hitchcock | Robert Cummings | Thriller | Universal Pictures |
| Safeguarding Military Information | John Huston | Short war propaganda | ||
| Sherlock Holmes and the Voice of Terror | John Rawlins | Basil Rathbone | Mystery thriller | 20th Century Fox |
| Ship Ahoy | Edward Buzzell | Eleanor Powell | Musical comedy | MGM |
| Somewhere I'll Find You | Wesley Ruggles | Clark Gable, Lana Turner | Romance | MGM |
| Son of Fury: The Story of Benjamin Blake | John Cromwell | Tyrone Power, Gene Tierney | Adventure | 20th Century Fox |
| Song of the Islands | Walter Lang | Betty Grable, Victor Mature, Jack Oakie | Musical | 20th Century Fox |
| The Spoilers | Ray Enright | John Wayne, Marlene Dietrich, Randolph Scott | Western | Universal Pictures |
| Springtime in the Rockies | Irving Cummings | Betty Grable, John Payne, Cesar Romero | Musical | 20th Century Fox |
| Spy Smasher | William Witney | Kane Richmond | Spy | Republic Pictures |
| The Squawkin' Hawk | Chuck Jones | Animated short | Warner Bros. | |
| Street of Chance | Jack Hively | Burgess Meredith, Claire Trevor | Crime | Paramount Pictures |
Read more about this topic: List Of American Films Of 1942