Tezaab (transl. Acid) is a 1988 Indian Hindi-language action romance film starring Anil Kapoor and Madhuri Dixit in lead roles. The film gave Dixit her first big break, making her an overnight star in addition to reaffirming Kapoor's star status, after a successful Mr. India (1987). The film was produced and directed by N. Chandra. The music was composed by Laxmikant–Pyarelal.

Tezaab released on 11 November 1988, and proved to be a major commercial success at the box office, becoming the highest-grossing film of the year. It ran in theatres for more than 50 weeks, becoming a golden jubilee success. With Tezaab, N. Chandra scored a box office hat-trick with his previous hits Ankush (1986) and Pratighaat (1987). The film is also popular for the song "Ek Do Teen", which was a chartbusting success. It received positive reviews from critics upon release, with praise for its story, screenplay, dialogues, soundtrack, and performances of the cast.

At the 34th Filmfare Awards, Tezaab received a leading 12 nominations, Best Film, Best Director (Chandra), Best Actress (Dixit) and Best Supporting Actor (Pandey), and won 4 awards, including Best Actor (Kapoor), Best Female Playback Singer (Alka Yagnik) and Best Choreography (Saroj Khan), the latter two for the song "Ek Do Teen". At the ceremony, Kapoor scored his first Best Actor win, while Dixit garnered her first-ever Best Actress nomination.

The film was remade in Telugu as Two Town Rowdy, with Daggubati Venkatesh and in Tamil Rojavai Killathe, with Arjun. The core storyline is loosely based on the 1984 film Streets of Fire.