Sidhartha is a 1998 Malayalam-language Action Drama movie written by Sathyanath and directed by Jomon and produced by Madhavan Nair. Sidhartha features Mammootty in the lead role along with an ensemble cast including Rambha, Nedumudi Venu, Thilakan, Lalu Alex, Jagadish and Biju Menon. The screenplay is written by Sathyanath. The music was composed by Vidyasagar. It was released on 19th March 1998.

Directed by Jomon, starring Mammootty and Rambha in the lead roles.