Bloody Friday () is a 1972 crime film directed by Rolf Olsen and starring Raimund Harmstorf, Amadeus August, and Gianni Macchia.
It was shot on location in Munich and other parts of Bavaria.
After escaping from a courtroom during his trial, a major criminal plans the biggest bank robbery ever to have taken place in the country.
Fernando Di Leo revised the screenplay of the film and is uncredited in the film's credits.
Bloody Friday was released in West Germany where it was distributed by Gloria Film on 8 May 1972. It was distributed in Italy by Alpherat on 6 February 1973 under the title Violenza contro violenza. The film grossed 135,195,000 Italian lire on its theatrical release in Italy.