D. Santosh (born 26 September 1976) is an Indian film and theatre actor from Trichy, Tamil Nadu who works in Hindi films and theatre plays.
He is an engineering graduate from PSG Tech, Coimbatore, Tamil Nadu.
He has a background in Hindi theatre.His first film role was in the Rajkumar Santoshi directed movie The Legend of Bhagat Singh as the revolutionary Shivram Hari Rajguru due to his uncanny resemblance to Rajguru.
[2][3] In 2009, he received wide appreciation for his work as Giri Reddy, a porn-obsessed office colleague in the Shimit Amin directed and Ranbir Kapoor starrer Rocket Singh: Salesman of the Year.
[4][5] In addition to film and theatre, he has worked in TV commercials and his sole work in a short film Vaapsi won the award for the Best Short Film in MAMI, Mumbai.