Mahaan (transl. The Great One) is a 2022 Indian Tamil-language action thriller film written and directed by Karthik Subbaraj and produced by S. S. Lalit Kumar under the banner of Seven Screen Studio. The film stars Vikram, Simran, Dhruv Vikram, Bobby Simha, while Sananth, Vettai Muthukumar, Deepak Paramesh and Aadukalam Naren in supporting roles. In the film, Gandhi Mahaan, a commerce teacher is abandoned by his family, where he lives as the former turns into a liquor baron and lives a life of his own, but his son Dadabhai Naoroiji, an extremist Gandhian vows revenge on his father who violated Gandhian principles and abandoned his family.

The film's music is composed by Santhosh Narayanan, with cinematography handled by Shreyaas Krishna and editing done by Vivek Harshan. Principal photography began on 10 March 2021. After some days the filming was stopped due to the COVID-19 pandemic and then was resumed on 6 July and completed on 14 August. Owing to the delays the film, due to the pandemic, a few incomplete scenes were cut from the final runtime of 3 hours, which were later released on the 100th day of release.The film was released on 10 February 2022 on Amazon Prime Video to widespread critical acclaim from critics and audiences with praise for its cast performances (particularly Vikram), music, storyline, direction, cinematography, editing, action sequences, and production values.