Shadow of Illusion (Italian: Ombre roventi) is a 1970 Italian film directed by Mario Caiano. The film stars William Berger, Daniela Giordano and Krista Nell. It is about a fashion model named Gail Bland who travels to Cairo where she meets a mysterious man named Caleb. Bland then runs into a cult of hippies who worship Osiris and make human sacrifices.

The film was shot at Cinecittà and on location in Egypt. The film had a troubled production history being shot during the War of Attrition in Egypt and with cast members signing on shortly before production (William Berger) and the female lead being replaced with Daniela Giordano during the first day of production. The release date in Italy of Shadow of Illusion is unclear, with Associazione Nazionale Industrie Cinematografiche Audiovisive e Multimedia (ANICA) dating the first public screening of the film to be April 16, 1972 while La Stampa wrote about a screening as early as 1971.