William Ralston Murray Buchan (17 October 1914 – 6 July 2003) was a Scottish professional football player and manager. He played for Celtic, Blackpool, Hull City, Gateshead, Coleraine and East Stirlingshire. Buchan signed professional forms with Celtic in 1933 and spent four years with the Glasgow club, winning the Scottish League Division One championship with them in 1935–36 and the Scottish Cup in 1937. Buchan joined Hull for the start of the 1948–49 campaign. In his only season with the club, he made forty league appearances, scoring twelve goals. Buchan died on 6 July 2003, aged 88.