Prabhu Ganesan, known professionally as Prabhu, is an Indian actor and film producer who predominantly works in Tamil cinema. He is the youngest son of veteran actor Sivaji Ganesan. Prabhu was one of the leading actors in Tamil cinema in the later 1980s and 90s. He is popularly known as Ilaya Thilagam. He has worked in more than 220 films in lead and supporting roles in Tamil, Telugu, Malayalam and Kannada films.