Siva is a 1989 Indian Tamil film, directed by Ameerjaan and produced by K. Balachandar. The film stars Rajinikanth, Raghuvaran, Janagaraj, Radharavi, Shobana in lead roles. The film had musical score by Ilayaraaja.

The film begins with Siva and John as kids, they are close friends like their fathers, in spite of their religious differences, one being Hindu and other Christian. A villain kills their families except Siva, John and John's mother, but John does not knows that Siva and his mother were alive and vice versa. 20 years later, Siva falls in love with Parvathy and marries her.