Naan Mahaan Alla (transl. I am not a saint) is a 2010 Indian Tamil-language action film written and directed by Suseenthiran. It stars Karthi, Kajal Aggarwal, Jayaprakash and Soori. Featuring music scored by Yuvan Shankar Raja and cinematography handled by R. Madhi, the film was produced by K. E. Gnanavelraja and distributed by Dayanidhi Azhagiri's Cloud Nine Movies. Set in Chennai, the film follows Jeeva, an unemployed and carefree young man whose father becomes the target of a gang of young criminals after witnessing a kidnapping.

The film, not related to the 1984 film of the same name and based on a real-life incident, released on 20 August 2011 to positive reviews, with critics praising the performances, action sequences and realistic tone. The acclaimed climax fight sequence would later go on to become the benchmark for the makers of Karthi's 2019 action film Kaithi.