Budaguru Ramakrishnaiah Panthulu was an Indian film director, producer and actor. He is best known for directing films in Kannada, Tamil, Telugu and Hindi. His most popular films are Karnan, Veerapandiya Kattabomman, Sri Krishnadevaraya, School Master and Kittur Channamma, B. R. Panthulu, is a successful actor and converted Ma. Po. Si.'s biographic works Veerapandiya Kattabomman and Kappalottiya Thamizhan to celluloid.

Karnan is a 1964 Indian Tamil-language Hindu mythological film produced and directed by B. R. Panthulu. It stars Sivaji Ganesan leading an ensemble cast consisting of N. T. Rama Rao, S. A. Ashokan, R. Muthuraman, Savitri, Devika and M. V. Rajamma. The film is based on the story of Karna, a character from the Hindu epic Mahabharata.