| Los secretos del buzón | |
| Director: | Catrano Catrani |
| Studio: | Estudios San Miguel |
| Starring: | Pedro Quartucci Tito Lusiardo Augusto Codecá Nelly Darén Elina Colomer |
| Music: | George Andreani |
| Runtime: | 80 minutes |
| Country: | Argentina |
| Language: | Spanish |
Los secretos del buzón (The mailbox secrets) is a 1948 Argentine comedy film, directed by Catrano Catrani and written by Ariel Cortazzo. It was premiered on April 22, 1948.
The film narrates the infidelity suspicions of an apothecary to his wife.