William Wylie MacPherson MBE (9 November 1938 – 26 March 2020), known professionally as Bill Martin, was a Scottish songwriter, music publisher and impresario. His most successful songs, all written with Phil Coulter, included "Puppet on a String", "Congratulations", "Back Home", and "Saturday Night". He was presented with three Ivor Novello Awards, including one as Songwriter of the Year.