Kolaiyuthir Kaalam is a 2019 Indian Tamil-language horror thriller film directed by Chakri Toleti and produced by V. Mathiyalagan. A remake of the 2016 American film Hush, where a deaf and mute woman must fight for her life when a killer appears at her door. It stars Nayanthara, Bhumika Chawla, Pratap K. Pothen, and Rohini Hattangadi and began production in November 2016. The film was released on 9 August 2019. The film was a disaster at the box office. The film was remade again by Toleti in Hindi as Khamoshi (2019), which released before this film. It was Toleti's last film as a director.