Osai (transl. Sound) is a 1984 Indian Tamil-language film, directed by K. Vijayan. The film stars Mohan and Radhika, with K. Balaji, Nalini, R. S. Manohar and Nizhalgal Ravi in supporting roles. It is a remake of the 1972 Hindi film Shor. The film was released on 23 October 1984.