John Valentine Carruthers (born 1958 in Wortley, West Riding of Yorkshire) is an English musician, guitarist, and composer. He is mainly known for being a member of Siouxsie and the Banshees from mid-1984 until early 1987. In the early 1980s, he joined Sheffield band Clock DVA after the release of their second studio album. His first recording with Clock DVA was the EP Passions Still Aflame in 1982. It was followed by the album Advantage in 1983.