Siddhu +2 is a 2010 Indian Tamil-language romantic action comedy film written and directed by K. Bhagyaraj, starring his son Shanthnoo Bhagyaraj and newcomer Chandini Tamilarasan in lead roles. The film released on 10 December 2010 and performed averagely at the box office.

Krishnasaamy Bhagyaraj is an Indian director, actor, screenwriter, music director, producer and politician active mainly in Tamil films. He has also written and directed Hindi films and TV serials. As an actor, he has worked in more than 75 films and has directed more than 25 films. He won a Filmfare Best Actor Award for Mundhanai Mudichu (1983). He received Lifetime Achievement Award in SIIMA (2014). He is the editor of weekly magazine Bhagya and has also written several novels.