Gadar: Ek Prem Katha (transl. Rebellion: A Love Story) is a 2001 Indian Hindi-language romantic period action drama film directed by Anil Sharma from a story written by Shaktimaan Talwar and set during the Partition of India in 1947. Loosely based on the life of Boota Singh, the film stars Sunny Deol, Ameesha Patel and Utkarsh Sharma in lead roles, alongside Amrish Puri, Lillete Dubey and Vivek Shauq in supporting roles.

Budgeted at approximately ₹190 million (US$4.03 million), Gadar: Ek Prem Katha had a global cinema release on 15 June 2001, opposite Ashutosh Gowariker's sports drama Lagaan. The film received mixed to positive reviews from critics, garnered praise towards the dramatic and confrontation sequences, soundtrack and the performances, particularly of Deol, Patel and Puri. the film grossed over ₹768.8 million (US$16.29 million) net in India and ₹1.33 billion (US$28.19 million) worldwide with a distributor share of ₹546 million (US$11.57 million), and went on to emerge as the highest-grossing Hindi film since Hum Aapke Hain Koun..! (1994). Gadar: Ek Prem Katha is the second most-watched Indian film in India since the 1980s after Baahubali 2, recording more than 50 million footfalls in India. According to Box Office India, its adjusted gross in India is ₹4.86 billion (US$103 million) as per 2017 ticket sales. The film was nominated in nine categories in 47th Filmfare Awards, including Best Film, Best Actor, Best Director, Best Actress and Best Music, while Patel garnered the Filmfare Special Award.

A sequel titled Gadar 2 was released on 11 August 2023 with Deol, Patel and Sharma reprising their roles, and the film became a commercial blockbuster at the box office.