William Elliott (30 May 1872 – 12 December 1944) was a Progressive Party member of the House of Commons of Canada. He was born in Galt, Ontario and became a farmer. The son of Andrew Elliott and Mary Common, he was educated at Galt Collegiate and the Ontario Agricultural College. Elliott married Eva Croll. Elliot served as a councillor for Waterloo County, Ontario and was reeve of North Dumfries Township.