K. Velayudhan Nair, better known by his stage name Crossbelt Mani (22 April 1935 – 30 October 2021), was an Indian film director and cinematographer, who worked in the Malayalam cinema. He directed more than 40 Malayalam movies and worked as a cinematographer for ten movies. He became popular with his second movie Cross Belt in 1970 and adopted Crossbelt to his name. Veteran director Joshiy worked as an assistant director under him.