1980 Australian Open
Date	24 November 1980 – 30 November 1980 (Women) 26 December 1980 – 4 January 1981 (Men)
Edition	69th
Category	Grand Slam (ITF)
Surface	Grass
Location	Melbourne, Australia
Venue	Kooyong Lawn Tennis Club
Champions
Men's singles
Brian Teacher
Women's singles
Hana Mandlíková
Men's doubles
Mark Edmondson / Kim Warwick
Women's doubles
Betsy Nagelsen / Martina Navratilova
Boys' singles
Craig Miller
Girls' singles
Anne Minter
← 1979 · Australian Open · 1981 →

The 1980 Australian Open was a tennis tournament played on outdoor grass courts at the Kooyong Lawn Tennis Club in Melbourne, Australia. It was the 69th edition of the Australian Open. The women's tournament was held 24–30 November 1980 and the men's was held from 26 December 1980 through 4 January 1981.^[1] The singles titles were won by American Brian Teacher and Czechoslovakian Hana Mandlíková.

Seniors

Men's singles

Brian Teacher defeated Kim Warwick 7–5, 7–6^(7–4), 6–3^[2]

• It was Teacher's 1st and only career Grand Slam singles title.

Women's singles

Hana Mandlíková defeated Wendy Turnbull 6–0, 7–5^[3]

• It was Mandlíková's 1st career Grand Slam singles title.

Men's doubles

Mark Edmondson / Kim Warwick defeated Peter McNamara / Paul McNamee 7–5, 6–4^[4]

• It was Edmondson's 2nd career Grand Slam title and his 2nd Australian Open title. It was Warwick's 2nd career Grand Slam title and his 2nd Australian Open title.

Women's doubles

Betsy Nagelsen / Martina Navratilova defeated Ann Kiyomura / Candy Reynolds 6–4, 6–4^[5]

• It was Nagelsen's 2nd and last career Grand Slam doubles title.

• It was Navratilova's 7th career Grand Slam doubles title and her 1st title at the Australian Open.

Mixed doubles

The competition was not held between 1970 and 1986.

Juniors

Boys' singles

Craig Miller defeated Wally Masur 7–6, 6–2

Girls' singles

Anne Minter defeated Elizabeth Sayers 6–4, 6–2