Shakti (transl. Strength) is a 1982 Indian Hindi-language crime drama film, directed by Ramesh Sippy, written by the Salim–Javed duo, and produced by Mushir-Riaz. It stars Dilip Kumar, Amitabh Bachchan, Rakhee Gulzar, Smita Patil, Kulbhushan Kharbanda and Amrish Puri. Shakti was notable for being the first and only film to feature veteran actors Kumar and Bachchan together on screen. Considered to be one of the greatest films in the history of Indian cinema, it went on to win four Filmfare Awards, for Best Film, Best Screenplay, Best Sound Editing, and Best Actor for Kumar. It's inspired from Tamil film Thangappathakkam.

The movie was highest grosser movie at box office of that year. Kumar and Bachchan were both nominated for the Filmfare Award for Best Actor, which Kumar won. Talking about Bachchan's performance, Sippy said, "I don't think anyone else could’ve played the role the way Mr. Bachchan did. He had to play a hurt and wounded son."