Polladhavan (transl. Ruthless Man) is a 2007 Indian Tamil-language action thriller film written and directed by Vetrimaaran in his directorial debut. Starring Dhanush and Ramya, the film revolves around a man whose life improves after buying a bike, and turns upside down after it is stolen. Three songs and the background score were composed by G. V. Prakash Kumar, while Yogi B and Dhina composed each one song. Velraj was the director of cinematography, V. T. Vijayan edited the film and Rambo Rajkumar choreographed the stunts.

The film was released on 8 November 2007. Receiving a tremendously positive response. The film was remade in a number of languages, owing to its success.