A. C. Thirulokachandar (11 June 1930 – 15 June 2016) also known as A. C. Tirulokchandar, was an Indian film director and screenwriter who worked mainly in Tamil films from the 1960s to 1988. He also directed a few films in Hindi and Telugu. His 1969 Tamil film Deiva Magan was the first South Indian film to be submitted by India in contest for the Academy Award for Best Foreign Language Film.