Alex Watson (10 October 1931 – 5 June 2002) was an Australian professional rugby league footballer who played in the 1950s. An Australian international and Queensland interstate representative three-quarter back, he played club football in the Brisbane Rugby League premiership for Western Suburbs. Watson first represented Queensland in 1951 in a match against New South Wales. He made his test debut at the Sydney Cricket Ground on 12 June 1954 against Great Britain in the first test of that year's Ashes series. Australia won this test 37-12.