Rajadhi Raja (transl. King of Kings) is a 1989 Indian Tamil-language action comedy film, directed by R. Sundarrajan and written by Panchu Arunachalam. 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. The film became a box office blockbuster.