| Operation B | |
| Director: | Josef Mach |
| Starring: | Antonie Hegerlíková Vlasta Chramostová Josef Bek |
| Cinematography: | Julius Vegricht |
| Editing: | Antonín Zelenka |
| Studio: | Ceskoslovenský Státní Film |
| Distributor: | Ceskoslovenský Státní Film |
| Runtime: | 90 minutes |
| Country: | Czechoslovakia |
Operation B (Czech: Akce B) is a 1952 Czech war drama film directed by Josef Mach and starring Antonie Hegerlíková, Vlasta Chramostová and Josef Bek.[1] It was shot at the Barrandov Studios in Prague. The film's sets were designed by the art director Miroslav Pelc. It is set during Operation B, a military operation conducted by the Czechoslovak Army against the Ukrainian Insurgent Army in the aftermath of the Second World War.