S-Z
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| Saigon | Leslie Fenton | Alan Ladd, Veronica Lake | Film noir | Paramount |
| The Sainted Sisters | William D. Russell | Veronica Lake, Joan Caulfield, Barry Fitzgerald | Comedy | Paramount |
| The Saxon Charm | Claude Binyon | Robert Montgomery, Susan Hayward | Drama | Universal Pictures |
| Scaredy Cat | Charles M. Jones | Animated short | Warner Bros. | |
| Scudda Hoo! Scudda Hay! | F. Hugh Herbert | June Haver, Lon McCallister | Comedy | |
| The Search | Fred Zinnemann | Montgomery Clift, Aline MacMahon | Drama | MGM |
| Secret Beyond the Door... | Fritz Lang | Joan Bennett, Michael Redgrave | Thriller | |
| Sitting Pretty | Walter Lang | Robert Young, Maureen O'Hara | Comedy | |
| Sleep, My Love | Douglas Sirk | Claudette Colbert, Don Ameche | Drama | United Artists |
| The Snake Pit | Anatole Litvak | Olivia de Havilland | Drama | 20th Century Fox |
| A Song Is Born | Howard Hawks | Danny Kaye, Virginia Mayo, Tommy Dorsey, Benny Goodman | Musical | Featuring The Golden Gate Quartet |
| Sorry, Wrong Number | Anatole Litvak | Barbara Stanwyck, Burt Lancaster | Film noir | Paramount Pictures |
| A Southern Yankee | Edward Sedgwick | Red Skelton, Arlene Dahl | Comedy | MGM |
| State of the Union | Frank Capra | Spencer Tracy, Katharine Hepburn | Drama | MGM |
| Station West | Sidney Lanfield | Dick Powell, Jane Greer | Western | |
| Street Corner | Albert H. Kelley | Johnny Duncan, Eddie Gribbon | Drama | |
| The Street with No Name | William Keighley | Mark Stevens, Richard Widmark, Lloyd Nolan | Film noir | 20th Century Fox |
| Superman | Spencer Gordon Bennet, Thomas Carr | Kirk Alyn, Noel Neill | Superhero | Columbia Pictures |
| Tap Roots | George Marshall | Van Heflin, Susan Hayward | Drama | Universal International Pictures |
| Tarzan and the Mermaids | Robert Florey | Johnny Weissmuller, Brenda Joyce, Linda Christian, Andrea Palma | Adventure | RKO Pictures |
| Test Tube Babies | W. Merle Connell | Exploitation | ||
| Tex Granger | Derwin Abrahams | Robert Kellard | Western, Serial | Columbia Pictures |
| The Three Musketeers | George Sidney | Gene Kelly, Van Heflin, Lana Turner | Adventure | |
| 3 Godfathers | John Ford | John Wayne | Western | MGM |
| The Treasure of the Sierra Madre | John Huston | Humphrey Bogart, Walter Huston, Tim Holt | Adventure | Warner Bros. |
| The Truce Hurts | Hanna Barbera | Animated short | MGM | |
| Unfaithfully Yours | Preston Sturges | Rex Harrison, Linda Darnell, Rudy Vallee | Black comedy | |
| Up in Central Park | William A. Seiter | Deanna Durbin, Dick Haymes, Vincent Price | Comedy | Universal-International |
| Wake of the Red Witch | Edward Ludwig | John Wayne, Gail Russell | Drama | Republic Pictures |
| When My Baby Smiles at Me | Walter Lang | Betty Grable, Dan Dailey, Jack Oakie, June Havoc | Musical | 20th Century Fox |
| Who Killed Doc Robbin | Bernard Carr | Larry Casey | Comedy | United Artists |
| Winter Meeting | Bretaigne Windust | Bette Davis | Drama | Warner Bros. |
| Words and Music | Norman Taurog | Mickey Rooney, Janet Leigh, Betty Garrett | Musical | MGM |
| Yellow Sky | William A. Wellman | Gregory Peck, Richard Widmark, Anne Baxter | Western | 20th Century Fox |
| You Were Meant for Me | Lloyd Bacon | Dan Dailey, Jeanne Crain | Musical | 20th Century Fox |
Read more about this topic: List Of American Films Of 1948