Malpertuis is a 1971 Belgian fantasy horror film directed by Harry Kümel, based on the 1943 novel of the same name. It was selected for the official selection and was presented "in competition" at the 1972 Cannes Film Festival. A Flemish "director's cut" version was released in 1973.

The 25th annual Cannes Film Festival was held from 4 to 19 May 1972. The Palme d'Or went to the Italian films The Working Class Goes to Heaven by Elio Petri and The Mattei Affair by Francesco Rosi.