Unnai Naan is a 2008 Indian Tamil language romantic drama film produced and directed by Senthilnathan.
The film stars newcomers Viinu and Naash, with Manobala, Sulakshana, Vennira Aadai Moorthy, T. P. Gajendran, Abhinayashree, Bhuvaneswari, Suja Varunee and Shakeela playing supporting roles.
The film begins with a psychiatrist (Nizhalgal Ravi) uncovering the past of Vijay (Viinu) in his hospital.
One day, Vijay saved Jennifer (Naash), a soft-spoken and shy woman, from rowdies who tried to misbehave with her and they fell in love with each other.
Production on the film began in August 2004, with director Senthilnathan's son, Vinod, selected to portray the leading role.