1973 Australian Open
Date	26 December 1972 – 1 January 1973
Edition	61st
Category	Grand Slam (ITF)
Surface	Grass
Location	Melbourne, Australia
Venue	Kooyong Lawn Tennis Club
Champions
Men's singles
John Newcombe[1]
Women's singles
Margaret Court[2]
Men's doubles
Malcolm Anderson / John Newcombe[3]
Women's doubles
Margaret Court / Virginia Wade[4]
← 1972 · Australian Open · 1974 →

The 1973 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 1972 to 1 January 1973. It was the 61st edition of the Australian Open and the first Grand Slam tournament of the year.

Seniors

Men's singles

John Newcombe defeated Onny Parun, 6–3, 6–7, 7–5, 6–1 ^[1]

• It was Newcombe's 5th career Grand Slam title, and his 1st Australian Open title.

Women's singles

Margaret Court defeated Evonne Goolagong, 6–4, 7–5 ^[2]

Men's doubles

John Newcombe / Malcolm Anderson defeated John Alexander / Phil Dent, 6–3, 6–4, 7–6 ^[3]

Women's doubles

Margaret Court / Virginia Wade defeated Kerry Harris / Kerry Melville, 6–4, 6–4 ^[4]

Mixed doubles

Competition not held between 1970 and 1986.