Dharma Raja is a 1980 Indian Tamil-language film, directed by M. A. Thirumugam and produced by Chinna Annamalai. The film stars Sivaji Ganesan, K. R. Vijaya, K. Balaji and Major Sundarrajan. It was released on 26 April 1980, and ran for over 100 days in theatres.
Dharma Raja became Balaji's final film to feature him in a negative role as he became tired of playing such roles. The filming was primarily held at Japan.
The soundtrack was composed by M. S. Viswanathan, while the lyrics were penned by Kannadasan. The song "Vanavillai Polirukkum" attained popularity.
Kanthan of Kalki lauded Viswanath Rai's cinematography.