- Country: Sweden
- Genres: Comedy, Crime
- Release: 1992-10-30
- Director: Hans Åke Gabrielsson
- Writers: Rolf Börjlind , Ingemar Ejve
- Language: Swedish
- Stars: Ulf Brunnberg , Björn Gustafson , Peter Haber , Birgitta Andersson
- Runtime: 104 min
- Awards: N/A
- AKA: The Joensson Gang & the Black Diamond , Veijarikopla ja musta timantti (Finland) , Jönssonligan & den svarta diamanten , Jönsson-banden og den sorte diamant (Denmark) , Jönssonligan & den svarta diamanten (Sweden)
- Plot: Sickan, the leader of the criminal Jönsson gang is incarcerated in a mental institution, attended by Dr M.A. Busé, who admire a handbook in crime that Sickan has been writing. Blackmailed by the nefarious banker Wall-Enberg, Dr Busé and Sickan's partners Vanheden and Dynamite-Harry execute Sickan's plan of stealing the valuable Black Diamond of the Romanovs from the National Museum.
- IMDB:tt0104581
Jönssonligan & den svarta diamanten Cast · · · ALL
Hans Åke Gabrielsson
Director
Ulf Brunnberg
Ragnar Vanheden
Björn Gustafson
Dynamit-Harry
Peter Haber
Dr. Max Adrian Busé
Birgitta Andersson
Doris
Elias Ringquist
Lillis
Björn Granath
Lohman
Pontus Gustafsson
Andersson
Bernt Lindqvist
The Chief of Police
Per Grundén
Wall-Enberg
Weiron Holmberg
Biffen Johansson
Lena T. Hansson
Busé's secretary
Rikard Wolff
Count Romanoff
Jonas Uddenmyr
Guard
Sten Hellström
Patient
Jan Mybrand
Keeper