Viswanatha Nayakudu is a 1987 Indian Telugu-language historical drama film written and directed by Dasari Narayana Rao. The film stars Krishna as Viswanatha Nayak, with Krishnam Raju, Sivaji Ganesan, Jayaprada, Sumalatha, Prabha, Prabhakar Reddy, and K. R. Vijaya in prominent roles. Set in the 16th century, it depicts the historical conflict within the Vijayanagara Empire, focusing on the loyalty and valour of Viswanatha Nayak, who confronts his father, Nagama Nayak, to uphold the authority of Emperor Sri Krishnadevaraya. The film's music was composed by J. V. Raghavulu, with cinematography by V. S. R. Swamy.