Jai Ganesh (1946 – 11 February 2001) was an Indian Tamil film actor. He had supporting roles in the films Aval Oru Thodar Kathai and Attukara Alamelu, among others. His most popular roles have been as a supporting actor or as a villain in films such as Thaayillamal Naan Illai (1979) and Athisaya Piravi (1990).