Sonthakkaran (transl. Relative) is a 1989 Indian Tamil-language action film, directed by L. Raja and produced by M. Saravanan, M. Balasubramanian & M. S. Guhan. The film stars Arjun and Nirosha, while Sarath Babu, Madhuri, Radha Ravi and S. S. Chandran portray pivotal roles. The film was released on 16 June 1989.