Vallavanukku Vallavan is a 1965 Indian Tamil-language action thriller film directed by R. Sundaram and written by A. L. Narayanan.
The ensemble cast includes Gemini Ganesan, Thangavelu, Manohar, Ashokan, Ramadas, Manimala, and Manorama.
Music was scored by Vedha for the film, which was produced by Modern Theatres and marks their 100th film. It is a remake of the 1963 Hindi film Ustadon Ke Ustad.
The plot revolves around an engineer named Ramesh who falls in love with Geeta, the daughter of wealthy businessman Laxman, after a suitcase swap incident that leads to his detention and Mala's capture by police.