| Al compás de tu mentira | |
| Director: | Héctor Canziani |
| Producer: | Héctor Canziani |
| Starring: | Francisco Álvarez Pedro Quartucci |
| Music: | Rodolfo Sciammarella |
| Cinematography: | Vicente Cosentino |
| Editing: | Nicolás Proserpio |
| Distributor: | Cosmos Film |
| Runtime: | 86 minutes |
| Country: | Argentina |
| Language: | Spanish |
Al compás de tu mentira (English: To the Compass of Your Lie) is a 1950 black-and-white Argentine musical film directed by Héctor Canziani. The film was adapted from Oscar Wilde's 1895 play The Importance of Being Earnest by Abel Santacruz. The film starred Francisco Álvarez and Pedro Quartucci.
The film is based on tango dancing, an integral part of the culture of Buenos Aires.
The film premiered on 22 March 1950.