William Telfer (21 March 1909 – 15 May 1986) was a Scottish footballer who played as a left half for Blantyre Celtic, Motherwell, Airdrieonians (wartime guest), Dumbarton (wartime guest) and Scotland. He was a member of the Motherwell team that won the club's only Scottish Football League title in 1931–32, missing only one match in that season, and also played in two Scottish Cup finals (1931 and 1939, defeats to Celtic and Clyde respectively).