Zehreela Insaan is a 1974 Indian Hindi-language romance film directed by Puttanna Kanagal and produced by Virendra Sinha. The film stars Rishi Kapoor, Moushumi Chatterjee, Neetu Singh and Pran. It is a remake of Kanagal's own 1972 Kannada film Naagarahaavu which was based on three Kannada novels: Nagarahavu, Ondu Gandu Eradu Hennu and Sarpa Mathsara, all written by T. R. Subba Rao.