The 1974 Australian Open was a tennis tournament played on outdoor grass courts at the Kooyong Lawn Tennis Club in Melbourne in Australia and was held from 26 December 1973 to 1 January 1974. It was the 62nd edition of the Australian Open and the first Grand Slam tournament of the year.
See main article: 1974 Australian Open – Men's singles. Jimmy Connors defeated Phil Dent, 7–6(9–7), 6–4, 4–6, 6–3 [1]
See main article: 1974 Australian Open – Women's singles. Evonne Goolagong defeated Chris Evert, 7–6, 4–6, 6–0 [2]
See main article: 1974 Australian Open – Men's doubles. 
Ross Case / Geoff Masters defeated Syd Ball / Bob Giltinan, 3–6, 7–6, 6–2 [3]
See main article: 1974 Australian Open – Women's doubles. Evonne Goolagong / Peggy Michel defeated Kerry Harris / Kerry Melville, 7–5, 6–3 [4]
Competition not held between 1970 and 1986.