| 1959 Australian Championships | |
|---|---|
| Date | 16-26 January 1959 |
| Edition | 47th |
| Category | Grand Slam (ITF) |
| Surface | Grass |
| Location | Adelaide, Australia |
| Venue | Memorial Drive |
| Champions | |
| Men's singles | |
 Alex Olmedo | |
| Women's singles | |
 Mary Carter Reitano | |
| Men's doubles | |
| Rod Laver / Bob Mark | |
| Women's doubles | |
 Sandra Reynolds / Renée Schuurman | |
| Mixed doubles | |
| Sandra Reynolds / Bob Mark | |
The 1959 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the Memorial Drive, Adelaide, Australia from 16 January to 26 January. It was the 47th edition of the Australian Championships (now known as the Australian Open), the 12th held in Adelaide, and the first Grand Slam tournament of the year.