| 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 | |
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.