Ammaiyappan is a 1954 Indian Tamil-language film written by M. Karunanidhi and directed by A. Bhimsingh in his directorial debut. The film stars S. S. Rajendran, G. Sakunthala and S. Varalakshmi. It was released on 24 September 1954 and became a major breakthrough in the career of Bhimsingh.