Ezhavathu Manithan (pronounced [eːɻaːʋaðu maniðan] transl. The Seventh Man) is a 1982 Indian Tamil-language film co-written and directed by K. Hariharan. Inspired by a real-life incident, the film focuses on environmental pollution and exploitation of industrial workers. Starring Raghuvaran in his first lead role, it features a host of newcomers playing other prominent roles. The film's soundtrack was made up from an album composed by L. Vaidyanathan with the lyrics of Tamil poet Subramania Bharati.

The film met with widespread critical acclaim upon release, winning the National Film Award for Best Feature Film in Tamil and two Tamil Nadu State Film Awards. It was screened at the Indian Panorama of the International Film Festival of India, and in the Soviet Union, where it won the Afro–Asian Solidarity Award. At the 13th Moscow International Film Festival in 1983, the film was nominated for the Golden St. George prize.