Kasoor (transl. Fault) is a 2001 Indian Hindi-language psychological thriller film produced under Mukesh Bhatt's Vishesh Films and directed by Vikram Bhatt. It features Aftab Shivdasani in his second Bollywood appearance and Lisa Ray in her Bollywood debut. Ray's voice was dubbed by Divya Dutta. The film also stars Apoorva Agnihotri, Irrfan Khan and Ashutosh Rana in supporting roles. It was released on 2 February 2001. The film is a remake of the 1985 American film Jagged Edge. The film was a moderate commercial success. It continues to remain notable for its soundtrack.

Vishesh Films is an Indian film company founded in 1986 and currently owned by Mukesh Bhatt. Vishesh Films is one of the most successful Indian film production houses. The production company is named after Vishesh Bhatt, the son of Mukesh Bhatt.