| Title |
Director |
Cast |
Genre |
Note |
| Neighbors | John G. Avildsen | John Belushi, Dan Aykroyd, Cathy Moriarty | Comedy | Columbia; based on Thomas Berger novel |
| The Nesting | Armand Weston | Robin Groves, Christopher Loomis, John Carradine | Horror | |
| Nice Dreams | Tommy Chong | Cheech Marin, Tommy Chong | Comedy | Columbia |
| The Night the Lights Went Out in Georgia | Ronald F. Maxwell | Kristy McNichol, Dennis Quaid, Mark Hamill | Musical | Embassy; based on 1973 song |
| Nighthawks | Bruce Malmuth | Sylvester Stallone, Rutger Hauer, Billy Dee Williams | Crime drama | Universal; Hauer's first U.S. film |
| Nobody's Perfekt | Peter Bonerz | Gabe Kaplan, Alex Karras, Susan Clark | Comedy | Columbia |
| On Golden Pond | Mark Rydell | Henry Fonda, Katharine Hepburn, Jane Fonda, Dabney Coleman, Doug McKeon | Drama | Oscars for H. Fonda, Hepburn, screenplay; 10 nominations |
| On the Right Track | Lee Philips | Gary Coleman, Michael Lembeck, Lisa Eilbacher | Comedy | |
| Only When I Laugh | Glenn Jordan | Marsha Mason, Joan Hackett, James Coco, David Dukes, Kristy McNichol | Drama | Neil Simon play; 3 Oscar nominations |
| Paternity | David Steinberg | Burt Reynolds, Beverly D'Angelo, Elizabeth Ashley | Comedy | Paramount |
| Pennies from Heaven | Herbert Ross | Steve Martin, Bernadette Peters, Jessica Harper | Musical, Drama | based on BBC series; 3 Oscar nominations |
| Piranha II: The Spawning | James Cameron | Tricia O'Neil, Lance Henriksen | Horror | sequel |
| Polyester | John Waters | Divine, Tab Hunter | Comedy | New Line Cinema |
| The Postman Always Rings Twice | Bob Rafelson | Jack Nicholson, Jessica Lange, John Colicos, Michael Lerner, John P. Ryan, Anjelica Huston | Crime drama | based on James M. Cain novel, remake of 1946 film |
| Prince of the City | Sidney Lumet | Treat Williams, Jerry Orbach, Lindsay Crouse, Bob Balaban, James Tolkan, Lane Smith, Lee Richardson | Crime drama | based on Robert Daley book; 3 Golden Globe nominations |
| Private Lessons | Alan Myerson | Sylvia Kristel, Howard Hesseman, Ed Begley, Jr. | Comedy | |
| The Prowler | Joseph Zito | Vicky Dawson, Christopher Goutman | Horror | |
| The Pursuit of D. B. Cooper | Roger Spottiswoode | Treat Williams, Robert Duvall, Kathryn Harrold | True crime | Universal |
| Raggedy Man | Jack Fisk | Sissy Spacek, Eric Roberts, Sam Shepard | Drama | Universal |
| Ragtime | Miloš Forman | Elizabeth McGovern, Howard Rollins, James Cagney, Pat O'Brien, Kenneth McMillan, Mary Steenburgen, James Olson, Mandy Patinkin, Brad Dourif, Moses Gunn, Robert Joy, Donald O'Connor, Norman Mailer | Drama | based on E.L. Doctorow novel; 8 Oscar nominations |
| Raiders of the Lost Ark | Steven Spielberg | Harrison Ford, Karen Allen, Denholm Elliott, Paul Freeman, John Rhys-Davies, Ronald Lacey, Alfred Molina | Adventure | 1st Indiana Jones adventure; 8 Oscar nominations |
| Reds | Warren Beatty | Warren Beatty, Diane Keaton, Gene Hackman, Maureen Stapleton, Jerzy Kosinski, Paul Sorvino, Jack Nicholson | Epic, Biography | story of John Reed; 12 Oscar nominations |
| Rich and Famous | George Cukor | Jacqueline Bisset, Candice Bergen, Hart Bochner | Drama | Cukor's final film |
| Rollover | Alan J. Pakula | Jane Fonda, Kris Kristofferson, Hume Cronyn | Thriller | Orion |
| Ruckus | Max Kleven | Dirk Benedict, Linda Blair, Richard Farnsworth | Action comedy | |
| S.O.B. | Blake Edwards | Julie Andrews, William Holden, Richard Mulligan, Robert Preston, Robert Webber, Robert Vaughn, Larry Hagman | Comedy | 2 Razzie nominations; Holden's final film |
| The Salamander | Peter Zinner | Franco Nero, Anthony Quinn, Sybil Danning | Thriller | ITC |
| Saturday the 14th | Howard R. Cohen | Richard Benjamin, Paula Prentiss, Severn Darden | Horror comedy | New World |
| Second-Hand Hearts | Hal Ashby | Robert Blake, Barbara Harris | Romance | Paramount |
| Sharky's Machine | Burt Reynolds | Burt Reynolds, Rachel Ward, Vittorio Gassman, Henry Silva, Charles Durning, Earl Holliman | Crime drama | based on William Diehl novel |
| Shock Treatment | Jim Sharman | Cliff DeYoung, Jessica Harper | Musical | 20th Century Fox |
| Southern Comfort | Walter Hill | Powers Boothe, Keith Carradine, Fred Ward, Peter Coyote | Thriller | 20th Century Fox |
| Sphinx | Franklin J. Schaffner | Frank Langella, Lesley-Anne Down, John Gielgud | Adventure | based on book by Robin Cook |
| Stripes | Ivan Reitman | Bill Murray, Harold Ramis, Warren Oates, John Candy, Sean Young, P.J. Soles, John Larroquette | Comedy | Columbia |
| Student Bodies | Mickey Rose | Kristen Riter, Matt Goldsby | Comedy | |