Naan Valartha Thangai is a 1958 Indian Tamil language drama film directed by Ch. Narayanamurthy.
The film stars Prem Nazir and Pandari Bai, and was produced under the banner Saravanabhava Unity Pictures.
The story was written by P. A. Padmanabha Rao, with dialogues penned by Ra. Vi., while cinematography was handled by P. Ramasamy and editing done by K. Govindasamy.
Art direction was overseen by S. V. S. Rama Rao, with choreography handled by P. S. Gopalakrishnan, Chopra, and Venugopal.
Music for the film was composed by Pendyala, and it was released on 10 November 1958, delayed from a September release.