Jackie Leven (18 June 1950 – 14 November 2011) was a Scottish songwriter and folk musician. After starting his career as a folk musician in the late 1960s, he first found success with new wave band Doll by Doll. He later recorded as a solo artist, releasing more than twenty albums under his own name. He also recorded under the pseudonym John St. Field for the album Control (1971) and Sir Vincent Lone for the albums Songs For Lonely Americans (2006), When The Bridegroom Comes (Songs For Women) (2007) and Troubador Heart (2008).