Bloody Pit of Horror was distributed in Italy by M.B.S. Cinematografica, and released on 28 November 1965, at a runtime of 87 minutes. It grossed a total of 65 million
Italian lire on its release. It was released on 16 May 1967, in the United States, distributed by Pacemaker Pictures as a
double feature with
Terror-Creatures from the Grave. The American version was cut to 74 minutes of predominantly expository scenes. The US promotion of
Bloody Pit of Horror made claims that it was based on the writings of the
Marquis de Sade. The film was re-released in Italy in 1972 under the title
Io...il Marchese de Sade () The complete English-language "friendly" version of the film was released as a special edition
DVD by
Something Weird Video (distributed by Image Entertainment), and contained the shorter print with deleted scenes included as a supplement. The film has been released numerous times on DVD, with over 20 different releases by various studios. It was released on Blu-ray for the first time in North America by
Severin Films in 2021. == Reception and legacy ==