Shanthnu Bhagyaraj is a Tamil film actor. He is the son of actor and director K. Bhagyaraj. He debuted as a lead actor in the film Sakkarakatti in 2008.
He has acted as a child actor in his father's film Vettiya Madichu Kattu. He was also an assistant director in his sister, Saranya Bhagyaraj's debut, Parijatham.
Later, he landed the coveted debut in Sakkarakatti, produced by S. Thanu and directed by Kala Prabhu. The film released with negative reviews in September 2008.But the song taxi taxi became a superhit song in this movie and especially among youths the song is a chart buster.
Shanthanu married TV achor Keerthi on Friday, 21 August 2015. Keerthi is the daughter of famous choreographer Jayanthi Vijayakumar and is popular as an anchor on television show 'Maanadu Mayilaadu' and 'Naalaiya Iyakkunar' which is aired in Kalaignar TV.