Kaustav Roy is an Indian film producer, who is known for his work in the Bengali film industry. He made his debut as a producer with Lal Ronger Duniya in 2008. Since then he has worked on movies like Chhoy-e Chhuti (2009), Byomkesh Bakshi (2010), Bye Bye Bangkok (2011), Goraay Gondogol (2012), Accident (2012), Byomkesh Phire Elo (2014), Byomkesh Bakshi (2015), Byomkesh O Chiriakhana (2016) and Kiriti Roy (2016). In 2017 Kaustav produced Anjan Dutta's Byomkesh O Agniban. The cast includes Jisshu Sengupta, Ankita Chakraborty, Saswata Chatterjee and Swastika Mukherjee in important roles.