Octaman is a 1971 Mexican-American monster film written and directed by Harry Essex, with the costume design by future Academy Award winner Rick Baker. It follows an expedition team that becomes the target of a murderous humanoid octopus. The film received negative reviews from critics upon its release but has since developed a cult following. On April 18, 2019, the film was shown theatrically in the United States as part of the RiffTrax Live series.