Maathi Yosi is a 2010 Indian Tamil-language coming-of-age crime drama film directed by Nandha Periyasamy and produced by P. S. Sekar Reddy.
The film stars Harish, Shammu, Gopal, Alex, and Lokesh, with Ponvannan, Ravi Mariya, and G. M. Kumar in supporting roles.
Guru Kalyan composed the music, while Vijay Armstrong handled cinematography and Kola Bhaskar edited the film.
The movie follows four best friends - Pandi, Maanga, Kona, and Maari - who live for each other and are vagabonds. They decide to leave their village in Madurai after being forced to leave due to a past incident involving the village president's son. The friends then head to Chennai, where they meet a heroine and get entangled in new experiences.
Maathi Yosi was released on 12 March 2010 and did not perform well at the box office.