Nallavan Vazhvan (transl. The good man will live) is a 1961 Indian Tamil-language crime thriller film produced and directed by P. Neelakantan. The film stars M. G. Ramachandran and Rajasulochana. It revolves around a man who is sentenced to death on false charges, and escapes from prison to clear his name.

Nallavan Vazhvan is the 50th film for Ramachandran as an actor. The screenplay was written by C. N. Annadurai, from a story by Na. Pandurangan, and cinematography was handled by G. Durai. The film was released on 31 August 1961 and underperformed at the box office, with a theatrical run of 80 days.