Magamuni (transl. The Great Sage) is a 2019 Indian Tamil-language crime drama film written and directed by Santhakumar. The film stars Arya in dual roles along with Indhuja Ravichandran and Mahima Nambiar. Kaali Venkat, Rohini, Jayaprakash, and Ilavarasu play supporting roles. S. Thaman scores music for the film, and editing is handled by V. J. Sabu Joseph with cinematography handled by Arun Bathmanaban. Principal photography for the film commenced in November 2018. It was theatrically released by Tarun Pictures on 6 September 2019 to highly positive reviews from both critics and the audience.

The film has won several international awards from various film festivals across the world.