N-S
| Title | Director | Cast | Genre | Note |
|---|---|---|---|---|
| Nancy Goes to Rio | Robert Z. Leonard | Ann Sothern, Jane Powell | Musical | Remake of 1940's It's a Date |
| Never a Dull Moment | George Marshall | Irene Dunne, Fred MacMurray | Comedy | Based on the 1943 novel Who Could Ask For Anything More? |
| The Next Voice You Hear... | William A. Wellman | James Whitmore, Nancy (Davis) Reagan | Drama | |
| No Man of Her Own | Mitchell Leisen | Barbara Stanwyck, John Lund | Film Noir | Remade in 1996 as Mrs. Winterbourne |
| No Way Out | Joseph L. Mankiewicz | Richard Widmark, Linda Darnell | Film Noir | Film debut of Sidney Poitier |
| One Too Many aka Killer with a Label | Erle C. Kenton | Ruth Warrick | Drama | |
| One Way Street | Hugo Fregonese | James Mason, Märta Torén | Film Noir | |
| Our Very Own | David Miller | Ann Blyth, Farley Granger | Drama | |
| Outrage | Ida Lupino | Mala Powers, Tod Andrews | Drama | |
| Panic in the Streets | Elia Kazan | Richard Widmark, Paul Douglas | Film Noir | Shot in New Orleans |
| Perfect Strangers | Bretaigne Windust | Ginger Rogers, Dennis Morgan | Drama | |
| Pirates of the High Seas | Spencer Gordon Bennet, Thomas Carr | Buster Crabbe, Lois Hall | Serial | |
| Pop 'im Pop | Robert McKimson | Looney Tunes | Animation | |
| Prehistoric Women | Gregg C. Tallas | Laurette Luez, Allan Nixon | Science Fiction | Remade in 1967 |
| Punchy Cowpunchers | Edward Bernds | The Three Stooges | Comedy | |
| Puny Express | Walter Lantz, Dick Lundy | Woody the Woodpecker | Animation | |
| Quicksand | Irving Pichel | Mickey Rooney, Peter Lorre | Crime | |
| Rabbit of Seville | Charles M. Jones | Looney Tunes | Animation | |
| Rabbit's Moon | Kenneth Anger | Looney Tunes | Animation | |
| Radar Secret Service | Sam Newfield | John Howard, Adele Jergens | Action | |
| Riding High | Frank Capra | Bing Crosby, Coleen Gray | Comedy | Remake of 1934's Broadway Bill. |
| Right Cross | John Sturges | June Allyson, Ricardo Montalban | Drama | Marilyn Monroe in small role |
| Rio Grande | John Ford | John Wayne, Maureen O'Hara | Western | Based on story Mission With No Record |
| Rocketship X-M | Kurt Neumann | Lloyd Bridges, Osa Massen | Science Fiction | Shot in 18 days |
| Rocky Mountain | William Keighley | Errol Flynn, Patrice Wymore | War | |
| Rogues of Sherwood Forest | Gordon Douglas | John Derek, Diana Lynn | Drama | |
| Safety Second | Hanna Barbera | Tom and Jerry | Animation | |
| Saturday Evening Puss | Hanna Barbera | Tom and Jerry | Animation | |
| The Scarlet Pumpernickel | Charles M. Jones | Looney Tunes | Animation | |
| The Second Woman | James V. Kern | Robert Young, Betsy Drake | Film Noir | |
| The Secret Fury | Mel Ferrer | Claudette Colbert, Robert Ryan | Film Noir | José Ferrer in uncredited role |
| Self-Made Maids | Jules White | The Three Stooges | Comedy | |
| Shadow on the Wall | Pat Jackson | Ann Sothern, Zachary Scott | Mystery | Based on Death in the Doll's House |
| Side Street | Anthony Mann | Farley Granger, Cathy O'Donnell | Film Noir | |
| Slaphappy Sleuths | Jules White | The Three Stooges | Comedy | |
| The Sleeping City | George Sherman | Richard Conte, Coleen Gray | Film Noir | Shot in semidocumentary style |
| A Snitch in Time | Edward Bernds | The Three Stooges | Comedy | |
| So Young, So Bad | Bernard Vorhaus | Paul Henreid, Catherine McLeod | Drama | |
| The Sound of Fury | Cy Endfield | Frank Lovejoy, Kathleen Ryan | Film Noir | aka Try and Get Me |
| Southside 1-1000 | Boris Ingster | Don DeFore, Andrea King, George Tobias | Film Noir | |
| The Stairs | Nominated for Best Documentary Short | |||
| Stars In My Crown | Jacques Tourneur | Joel McCrea, Ellen Drew | Western | Based on novel of same name |
| Strife with Father | Bob McKimson | Merry Melodies | Animation | |
| Studio Stoops | Edward Bernds | The Three Stooges | Comedy | |
| Sugar Chile Robinson, Billie Holiday, Count Basie and His Sextet | Will Cowan | Billie Holiday, Frank Robinson | Short | |
| Summer Stock | Charles Walters | Judy Garland, Gene Kelly | Musical | Garland's last MGM film |
| Sunset Boulevard | Billy Wilder | William Holden, Gloria Swanson | Film Noir | Won 3 Academy Awards |
Read more about this topic: List Of American Films Of 1950