William John Smith (born 12 July 1942 in Fremantle, Western Australia) is an Australian former rugby league footballer. He was the leading halfback in Australian rugby league during the late 1960s, and a keystone of the latter part of the St. George Dragons' eleven consecutive premiership victories between 1956 and 1966. He represented Australia in eighteen Tests and eight World Cup games between 1964 and 1970. He captained Australia in a World Cup game against Great Britain in 1970.