Mugaraasi is a 1966 Indian Tamil-language film directed by M. A. Thirumugam.
The film stars M. G. Ramachandran and Gemini Ganesan in their only film together, based on the play Moondrezhuthil En Moochirukkum by G. Balasubramaniam, inspired by the 1964 film The Pitiless Three.
Produced by Sandow M. M. A. Chinnappa Thevar under his Thevar Films banner, the film was released on February 18, 1966 and ran for 100 days.
The story revolves around Mangalam, a fair mother who is cruelly stabbed to death by Duraiswamy, a man seeking to claim his deceased brother's fortune. Fifteen years later, her son Somu seeks revenge against the murderer, with the help of his young brother Ramu, a police officer.