Rajadhi Raja (transl. Superior King) is a 1989 Indian Tamil-language masala film directed by R. Sundarrajan. The film stars Rajinikanth in a dual role, with Nadhiya and Radha portraying his characters' love interests. It revolves around Raja, a rich estate owner's son who seeks to avenge his father's death. He is aided in his quest by Chinnarasu, a lookalike. Rajadhi Raja was released on 4 March 1989 and became a box office hit.