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.

Seniors

Men's singles

🇺🇸 Jimmy Connors defeated 🇦🇺 Phil Dent, 7–6(9–7), 6–4, 4–6, 6–3

Women's singles

🇦🇺 Evonne Goolagong defeated 🇺🇸 Chris Evert, 7–6, 4–6, 6–0

Men's doubles

🇦🇺 Ross Case / 🇦🇺 Geoff Masters defeated 🇦🇺 Syd Ball / 🇦🇺 Bob Giltinan, 3–6, 7–6, 6–2

Women's doubles

🇦🇺 Evonne Goolagong / 🇺🇸 Peggy Michel defeated 🇦🇺 Kerry Harris / 🇦🇺 Kerry Melville, 7–5, 6–3

Mixed doubles