N-R
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| The Naked City | Jules Dassin | Barry Fitzgerald, Howard Duff | Film noir | Universal Pictures |
| Night Has a Thousand Eyes | John Farrow | Edward G. Robinson, Gail Russell | Film noir | Paramount Pictures |
| The Noose Hangs High | Charles Barton | Abbott and Costello | Comedy | |
| Old Rockin' Chair Tom | Hanna Barbera | Animated short | MGM | |
| One Touch of Venus | William A. Seiter | Robert Walker, Ava Gardner | Comedy | Universal Pictures |
| The Paleface | Norman Z. McLeod | Bob Hope, Jane Russell | Comedy, Western | |
| Panhandle | Lesley Selander | Rod Cameron | Western | Allied Artists |
| The Pirate | Vincente Minnelli | Gene Kelly, Judy Garland | Musical | MGM |
| Pitfall | André De Toth | Dick Powell, Lizabeth Scott | Film noir | United Artists |
| Polka-Dot Puss | Hanna Barbera | Animated short | MGM | |
| Portrait of Jennie | William Dieterle | Jennifer Jones, Joseph Cotten | Romance | MGM |
| Professor Tom | Hanna Barbera | Tom and Jerry | Animated short | MGM |
| Rachel and the Stranger | Norman Foster | William Holden, Loretta Young | Western | RKO Pictures |
| Raw Deal | Anthony Mann | Dennis O'Keefe, Claire Trevor | Film noir | Eagle-Lion Films |
| Red River | Howard Hawks | John Wayne, Montgomery Clift, Walter Brennan | Western | United Artists |
| Road House | Jean Negulesco | Ida Lupino, Cornel Wilde | Film noir | 20th Century Fox |
| Rogues' Regiment | Robert Florey | Dick Powell, Märta Torén, Vincent Price | Film noir | Universal-International |
| Romance on the High Seas | Michael Curtiz | Jack Carson, Janis Paige, Doris Day | Musical | Warner Bros. |
| Rope | Alfred Hitchcock | James Stewart, Farley Granger, John Dall | Suspense | Warner Bros. |
| Rope of Sand | William Dieterle | Burt Lancaster, Paul Henreid | Adventure | |
| Ruthless | Edgar G. Ulmer | Zachary Scott | Drama | Eagle-Lion Films |
Read more about this topic: List Of American Films Of 1948