Naan Sigappu Manithan (transl. I am a Red Man) is a 1985 Indian Tamil-language action thriller rape and revenge film directed by S. A. Chandrasekhar and produced by A. Poorna Chandra Rao under Lakshmi Productions. The film, a remake of Hindi film Aaj Ki Awaaz, stars Rajinikanth, K. Bhagyaraj and Ambika with Vijay as a child artist in the film. The music was composed by Ilaiyaraaja, while cinematography and editing were handled by M. Kesavan and P. R. Gautham Raju.

Naan Sigappu Manithan was released on 12 April 1985 and became a box office success.