| 1964 Australian Championships | |
|---|---|
| Date | 4–13 January 1964 |
| Edition | 52nd |
| Category | Grand Slam (ITF) |
| Surface | Grass |
| Location | Brisbane, Australia |
| Venue | Milton Courts |
| Champions | |
| Men's singles | |
 Roy Emerson | |
| Women's singles | |
| Margaret Smith | |
| Men's doubles | |
| Bob Hewitt / Fred Stolle | |
| Women's doubles | |
| Judy Tegart / Lesley Turner | |
| Mixed doubles | |
| Margaret Smith / Ken Fletcher | |
The 1964 Australian Championships was a tennis tournament that took place on outdoor grass courts at the Milton Courts in Brisbane, Australia from 4 January to 13 January. It was the 52nd edition of the Australian Championships (now known as the Australian Open), the 6th held in Brisbane, and the first Grand Slam tournament of the year. The singles titles were won by Australians Roy Emerson and Margaret Smith.