Maamannan is a political thriller film written and directed by Mari Selvaraj, and produced by Udhayanidhi Stalin. The film stars an ensemble cast that includes Vadivelu, Fahadh Faasil, Keerthy Suresh and Udhayanidhi himself. Principal photography began in March 2022.

It released on 29 June 2023 to positive reviews from both the critics and audience alike. The performances of the cast (especially Vadivelu and Faasil's), direction, dialogues, songs, background score, cinematography, production design, and the action sequences were highly praised. However, the screenplay in the second half and pace received a fair amount of criticism