Saikumar (born 14 April 1963), also credited as Sai Kumar, is an Indian film actor known for his villainous roles in the Malayalam films.
Saikumar debuted in the 1977 film Vidarunna Mottukal as child artist. He started his career with comedy roles, and gradually moved to character roles. He won Kerala State Film Award for Second Best Actor for his performance in the 2007 film Anandabhairavi.
He is the son of Malayalam actor Kottarakkara Sreedharan Nair.