Alexander William Duncan (19 June 1881 – 18 November 1934) was a Scottish international rugby and cricket player.Bath, p104
He was capped for between 1901 and 1902. He also played for University of Edinburgh RFC.
He also played for the Scotland national cricket team.
References Bath, Richard (ed.) The Scotland Rugby Miscellany (Vision Sports Publishing Ltd, 2007 ) Massie, Allan A Portrait of Scottish Rugby (Polygon, Edinburgh; )
See also List of Scottish cricket and rugby union players