The 1976 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 1975 to 4 January 1976.

It was the 64th edition of the Australian Open and the first Grand Slam tournament of the year.

The singles titles were won by Australians Mark Edmondson and Evonne Goolagong.

Mark Edmondson defeated John Newcombe, 6–7, 6–3, 7–6, 6–1 [1] Evonne Goolagong defeated Renáta Tomanová, 6–2, 6–2 [2] John Newcombe / Tony Roche defeated Ross Case / Geoff Masters, 7–6, 6–4 [3] Evonne Goolagong / Helen Gourlay defeated Lesley Turner Bowrey / Renáta Tomanová, 8–1 [4]