Kolluru Chidambara Rao, known professionally as Kallu Chidambaram, was an Indian actor known for his works in Telugu cinema. He is one of the finest comedians of Telugu cinema. Chidambaram started his career as a theatre artist while working as an Assistant Engineer in Visakhapatnam Port Trust. He made his film debut in 1988 with Kallu from which acquired his stage name. He had garnered the state Nandi Special Jury Award for the film.