The 1939 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the Kooyong Stadium in Melbourne, Australia from 20 January to 28 January. It was the 32nd edition of the Australian Championships (now known as the Australian Open), the 8th held in Melbourne, and the first Grand Slam tournament of the year. Australians John Bromwich and Emily Hood Westacott won the singles titles.
John Bromwich defeated Adrian Quist 6–4, 6–1, 6–3
Emily Hood Westacott defeated Nell Hall Hopman 6–1, 6–2
John Bromwich / Adrian Quist defeated Colin Long / Don Turnbull 6–4, 7–5, 6–2
Thelma Coyne / Nancye Wynne defeated May Hardcastle / Emily Hood Westacott 7–5, 6–4
Nell Hall Hopman / Harry Hopman defeated Margaret Wilson / John Bromwich 6–8, 6–3, 6–2