Jennifer Margaret Barker (born 6 May 1965 in Glasgow, Scotland) is a Scottish-American classical composer and pianist. Her compositional style is highly influenced by the landscape, culture and musical heritage of Scotland. She is Professor of Composition and Theory at the University of Delaware. Her music has been recorded on the Naxos Records, Composers Recordings Inc., New World Records, Albany Records, Meyer Media and PnOVA Recordings labels. She is published by Boosey & Hawkes, Theodore Presser Company, Vanderbeek & Imrie Ltd., Southern Percussion and McKenna-Keddie Publishing.