| Underground Secrets | |
| Director: | Clas Lindberg |
| Producer: | Lennart Dunér |
| Starring: | Ulf Eklund |
| Cinematography: | Andra Lasmanis |
| Runtime: | 81 minutes |
| Country: | Sweden |
| Language: | Swedish |
Underground Secrets (Swedish: '''Underjordens hemlighet''') is a 1991 Swedish drama film directed by Clas Lindberg. Lindberg won the award for Best Screenplay and was nominated for Best Director at the 27th Guldbagge Awards.[1]