Horrors of Malformed Men (江戸川乱歩全集 恐怖奇形人間, Edogawa Rampo Zenshū: Kyoufu Kikei Ningen) is a 1969 Japanese horror film directed by Teruo Ishii, who also co-wrote the film. It is based on the novels Strange Tale of Panorama Island (パノラマ島奇談, Panorama-tō Kidan) and The Demon of the Lonely Isle (孤島の鬼, Kotō no Oni) by Edogawa Rampo.