|Directed by||Miguel Faria Jr.|
|Written by||Miguel Faria Jr.|
|Produced by||Gustavo Dahl|
Miguel Faria Jr.
Mortal Sin (Portuguese: Pecado Mortal) is a 1970 Brazilian drama film directed by Miguel Faria Jr. The film was selected as the Brazilian entry for the Best Foreign Language Film at the 43rd Academy Awards, but was not accepted as a nominee.