A
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| The 13th Letter | Otto Preminger | Linda Darnell, Charles Boyer | Film noir | |
| Abbott and Costello Meet the Invisible Man | Charles Lamont | Bud Abbott, Lou Costello | Comedy-Horror | |
| Ace in the Hole | Billy Wilder | Kirk Douglas, Jan Sterling, Porter Hall, Ray Teal | Drama | aka The Big Carnival |
| Across the Wide Missouri | William A. Wellman | Clark Gable, Ricardo Montalban, Adolphe Menjou, Maria Elena Marques | Western | Based on the novel |
| The African Queen | John Huston | Humphrey Bogart, Katharine Hepburn | Drama | Academy Award for Bogart |
| Alice in Wonderland | Clyde Geronimi | Kathryn Beaumont | Animation | Walt Disney |
| Along the Great Divide | Raoul Walsh | Kirk Douglas | Western | |
| An American in Paris | Vincente Minnelli | Leslie Caron, Gene Kelly | Musical | Academy Award: Best Picture |
| Angels in the Outfield | Clarence Brown | Paul Douglas, Janet Leigh | Comedy | Remade in 1994 |
| Anne of the Indies | Jacques Tourneur | Louis Jourdan, Jean Peters | Adventure | |
| Apache Drums | Hugo Fregonese | Stephen McNally, Coleen Gray | Western | |
| Appointment with Danger | Lewis Allen | Alan Ladd, Phyllis Calvert | Film Noir | |
| As Young as You Feel | Harmon Jones | Constance Bennett, Monty Woolley | Comedy | Marilyn Monroe in a small role |
Read more about this topic: List Of American Films Of 1951