| Humo de Marihuana | |
| Director: | Lucas Demare |
| Starring: | Carlos Estrada Marcela López Rey Thelma Biral Sergio Renán |
| Cinematography: | Américo Hoss |
| Editing: | Jorge Gárate |
| Runtime: | 105 minutes |
| Country: | Argentina |
| Language: | Spanish |
Humo de Marihuana (English: '''Marijuana Smoke''') is an Argentine black-and-white film directed by Lucas Demare. The film was released on May 17, 1968.
A doctor investigates the death of his wife and realizes that drugs were beginning to affect the country.