Sudhanthira Naattin Adimaigal is a 1988 Indian Tamil-language vigilante film directed by S. A. Chandrasekhar, who wrote the screenplay from a story by his wife Shoba. The film stars Radhika, Nizhalgal Ravi and Ravichandran, with Charan Raj in a pivotal role. It was released on 26 February 1988. The film was remade in Hindi as Azaad Desh Ke Gulam (1990).