| The Big Diamond Robbery | |
| Director: | Eugene Forde |
| Starring: | Tom Mix Kathryn McGuire Frank Beal |
| Cinematography: | Norman Devol |
| Editing: | Henry Weber |
| Distributor: | FBO |
| Runtime: | 65 minutes |
| Country: | United States |
| Language: | Silent English intertitles |
The Big Diamond Robbery is a 1929 American silent Western film directed by Eugene Forde and starring Tom Mix, Kathryn McGuire and Frank Beal.[1] It was the last of five films Mix made for the FBO studios, and his last silent film. Unlike many of his westerns, it has a contemporary setting in 1920s Arizona.