Thevar Magan ( transl. Son of Thevar) is a 1992 Indian Tamil-language drama film directed by Bharathan, and written and produced by Kamal Haasan. It stars Sivaji Ganesan, Haasan, Revathi, Gautami and Nassar; with Kallapart Natarajan, Kaka Radhakrishnan, Sangili Murugan and Vadivelu in supporting roles. The film's story involves a respected village chieftain's son who wants to open a business but his father wants him to help the villagers.

The script of Thevar Magan was completed in seven days; it was written using screenwriting software called Movie Magic. Haasan said The Godfather (1972) and the Kannada film Kaadu (1973) were inspirations for the film. P. C. Sreeram was the cinematographer and N. P. Satish edited the film, which was mostly made in Pollachi, with a few days' filming at Madras and Ooty.

Thevar Magan was released on 25 October 1992 – Diwali day; it received critical acclaim and completed a 175-day run at the box office. It was chosen as India's entry for the Best Foreign Language Film for the 65th Academy Awards but was not nominated. Thevar Magan won five National Film Awards, including Best Tamil Film, Best Supporting Actress for Revathi, and a Special Jury Award for Ganesan, which he declined. It was later remade in Hindi as Virasat (1997) and in Kannada as Thandege Thakka Maga (2006).