The 1923 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the Milton Courts, Brisbane, Australia from 11 August to 18 August. It was the 16th edition of the Australian Championships (now known as the Australian Open), the third held in Brisbane, and the second Grand Slam tournament of the year. The singles titles were won by Pat O'Hara Wood and Margaret Molesworth.
| 1923 Australasian Championships | |
|---|---|
| Date | 11–18 August 1923 |
| Edition | 16th |
| Category | Grand Slam (ITF) |
| Surface | Grass |
| Location | Brisbane, Australia |
| Venue | Milton Courts |
| Champions | |
| Men's singles | |
 Pat O'Hara Wood | |
| Women's singles | |
| Margaret Molesworth | |
| Men's doubles | |
| Pat O'Hara Wood / Bert St. John | |
| Women's doubles | |
| Esna Boyd / Sylvia Lance Harper | |
| Mixed doubles | |
| Sylvia Lance Harper / Horace Rice | |
Finals edit
Men's singles edit
Pat O'Hara Wood defeated Bert St John 6–1, 6–1, 6–3
Women's singles edit
Margaret Molesworth defeated Esna Boyd 6–1, 7–5
Men's doubles edit
Pat O'Hara Wood / Bert St. John defeated Dudley Bullough / Horace Rice 6–4, 6–3, 3–6, 6–0
Women's doubles edit
Esna Boyd / Sylvia Lance Harper defeated Margaret Molesworth / Mrs. H. Turner 6–1, 6–4
Mixed doubles edit
Sylvia Lance Harper / Horace Rice defeated Margaret Molesworth / Bert St. John 2–6, 6–4, 6–4