James A. Smith (born 14 April 1958) is an English musician, best known as the bass guitarist for the rock band Cardiacs which he formed with his brother Tim Smith. Along with performing backing vocals for the group, he co-wrote the hymn "The Alphabet Business Concern (Home of Fadeless Splendour)", sang lead vocals on "Food on the Wall" live, and his girlfriend ran the band's merch stall.