A-B
| Title | Director | Cast | Genre | Note
|
|---|---|---|---|---|
| 40 Carats | Milton Katselas | Edward Albert, Liv Ullmann, Gene Kelly | Comedy | Based on Broadway play |
| Ace Eli and Rodger of the Skies | John Erman | Cliff Robertson | Drama | |
| The Alpha Caper | Robert Lewis | Henry Fonda, Leonard Nimoy, Larry Hagman | Crime | |
| American Graffiti | George Lucas | Richard Dreyfuss, Ron Howard, Candy Clark, Harrison Ford, Cindy Williams, Paul LeMat | Comedy | 5 Academy Award nominations; Golden Globe Best Comedy |
| Arnold's Wrecking Co. | Steven E. de Souza | Barbara Hencheck | Comedy | |
| Badlands | Terrence Malick | Martin Sheen, Sissy Spacek, Warren Oates | Crime drama | Malick's first film |
| Bang the Drum Slowly | John D. Hancock | Robert De Niro, Michael Moriarty, Vincent Gardenia | Drama | Based on Mark Harris novel |
| Battle for the Planet of the Apes | J. Lee Thompson | Roddy McDowall, John Huston, Claude Akins | Science Fiction | 4th Planet of the Apes sequel |
| Black Caesar | Larry Cohen | Fred Williamson, Gloria Hendry | Crime drama | James Brown score |
| Black Snake | Russ Meyer | David Prowse, Anouska Hempel | Adventure | |
| Blackenstein | William A. Levey | John Hart, Liz Renay | Horror | |
| Blume in Love | Paul Mazursky | George Segal, Susan Anspach, Kris Kristofferson | Romantic comedy | |
| The Boy Who Cried Werewolf | Nathan Juran | Robert J. Wilke | Horror | |
| Breezy | Clint Eastwood | William Holden, Kay Lenz | Drama, Romance | |
| Brother of the Wind | John Mahon | Dick Robinson | Independent film |
Read more about this topic: List Of American Films Of 1973