| Znachor | |
| Director: | Michał Waszyński |
| Starring: | Kazimierz Junosza-Stępowski, Elżbieta Barszczewska |
| Runtime: | 100 minutes |
| Country: | Poland |
| Language: | English Polish |
The Quack or Znachor is a 1937 Polish drama film directed by Michał Waszyński, an adaptation of the novel by Tadeusz Dołęga-Mostowicz published in the same year. It is followed by Profesor Wilczur (1938) and the concluding part Testament of Profesor Wilczur (1939), which was lost during World War 2.