Manthira Punnagai (transl. Magical Smile) is a 1986 Indian Tamil-language film directed by V. Thamizhazhagan in his debut; he co-produced with G. Thyagarajan. The film stars Sathyaraj and Nadhiya, with Raghuvaran, Baby Sujitha, Thengai Srinivasan, Senthil, Jai Jagadish, Bob Christo and V. S. Raghavan in supporting roles. It was released on 11 December 1986.