1948 Australian Championships
Date	16–26 January 1948
Edition	36th
Category	Grand Slam (ITF)
Surface	Grass
Location	Melbourne, Australia
Venue	Kooyong Stadium
Champions
Men's singles
Adrian Quist
Women's singles
Nancye Wynne Bolton
Men's doubles
John Bromwich / Adrian Quist
Women's doubles
Thelma Coyne Long / Nancye Wynne Bolton
Mixed doubles
Nancye Wynne Bolton / Colin Long
← 1947 · Australian Championships · 1949 →

The 1948 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the Kooyong Stadium in Melbourne, Australia from 16 January to 26 January. It was the 36th edition of the Australian Championships (now known as the Australian Open), the 10th held in Melbourne, and the first Grand Slam tournament of the year. Australians Adrian Quist and Nancye Wynne Bolton won the singles titles.

Finals

Men's singles

Adrian Quist defeated John Bromwich 6–4, 3–6, 6–3, 2–6, 6–3

Women's singles

Nancye Wynne Bolton defeated Marie Toomey 6–3, 6–1

Men's doubles

John Bromwich / Adrian Quist defeated Colin Long / Frank Sedgman 1–6, 3–6, 8–6, 6–3, 8–6 ^[1]

Women's doubles

Thelma Coyne Long / Nancye Wynne Bolton defeated Mary Bevis / Pat Jones 6–3, 6–3 ^[2]

Mixed doubles

Nancye Wynne Bolton / Colin Long defeated Thelma Coyne Long / Bill Sidwell 7–5, 4–6, 8–6 ^[3]