Viswasam (transl. Allegiance) is a 2019 Indian Tamil-language action drama film written and directed by Siva. The film stars Ajith Kumar, Nayanthara, Jagapathi Babu. Produced by Sathya Jyothi Films, the film was officially announced on 20 November 2017 and principal photography began in May 2018. The film was released on 10 January 2019 and performed well at the box office. D. Imman won Best Music Director at the 67th National Film Awards.