Sathyam Sundaram is a 1981 Tamil-language Musical movie written by K. S. Rao and Aroor Das. The movie is directed by K. S. Rao and produced by B. Vijayalakshmi, and B. Udhayakumar under the banner of Balakrishna Productions. Sathyam sundaram stars Sivaji Ganesan in the lead role along with K. R. Vijaya, Jaiganesh, Suruli Rajan, Shivaji Ganesan, Pandari Bai, Jai Ganesh and K.r. Vijaya in supporting roles. The music was composed by M S Viswanathan. Cinematography was done by G. Or. Nathan and editing by B. Kandhasamy. It was released on 7th March 1981.

Directed by KS Prakash Rao, starring KR Vijaya and Sivaji Ganesan in the lead roles.