Sathyam is a 1976 Indian Tamil language film, directed by S. A. Kannan and produced by P. M. Shanmugam and S. A. Kannan. The film stars Sivaji Ganesan, Kamal Haasan, Devika, Jayachitra and M. N. Nambiar in lead roles. The film had musical score by K V Mahadevan. The film has Kamal Haasan playing the younger brother of Sivaji Ganesan. The film was adapted from the stage play Vidhi.