The 1985 Australian Open was a tennis tournament played on grass courts at the Kooyong Lawn Tennis Club in Melbourne in Victoria in Australia. It was the 74th edition of the Australian Open and was held from 25 November through 8 December 1985; the last to be held at this time of year.
With the decision to hold the tournament in January in future, the next Australian Open would be the 1987 Open, held just over a year later.
It was Navratilova's 37th career Grand Slam title and her 8th Australian Open title. It was Shriver's 12th career Grand Slam title and her 4th Australian Open title.
Mixed doubles
The competition was not held between 1970 and 1985.