William Struth (16 June 1875 – 21 September 1956) was a Scottish football manager. He was the second manager of Rangers Football Club, leading the club for 34 years between 1920 and 1954, as well as being the holder of a number of other positions, including director. Struth is one of the most successful managers in Scottish and British football history, winning 30 major trophies in his career; a record 18 Scottish league championships, 10 Scottish Cups and two Scottish League Cups.