Kathavarayan may refer to: Kathavarayan (deity), a Hindu folk and village deity in Thanjavur, Tamil Nadu, India Kathavarayan (1958 film), a 1958 Indian Tamil-language film by T. R. Ramanna Kathavarayan (2008 film), a 2008 Indian Tamil-language film Kathavarayan Rajodorai (died 2010), one of the perpetrators of the Banting murders in Malaysia
See also Rajadhi Raja Raja Kulothunga Raja Marthanda Raja Gambeera Kathavaraya Krishna Kamarajan, 1993 Indian film by Balu Anand