Sadak is a 1991 Indian Hindi-language romantic action thriller film directed by Mahesh Bhatt. It stars Sanjay Dutt and Pooja Bhatt. The film is one of the highest-grossing movies of the year 1991. The film was inspired by the 1976 American film Taxi Driver. This film was remade in Tamil as Appu (2000). A sequel, Sadak 2, was released on 28 August 2020 on Disney+ Hotstar.

Mahesh Bhatt is an Indian film director, producer and screenwriter known for his works in Hindi cinema. He has received several accolades, including four National Film Award and three Filmfare Awards. A notable film from his earlier period is Saaransh (1984), screened at the 14th Moscow International Film Festival. It became India's official entry for the Academy Award for Best Foreign Language Film for that year. The 1986 film Naam was his first piece of commercial cinema. In 1987, he turned producer with the film Kabzaa under the banner, "Vishesh Films", with his brother Mukesh Bhatt.