| 2000 Australian Open | |
|---|---|
| Date | 17–30 January 2000 |
| Edition | 88th |
| Category | Grand Slam (ITF) |
| Surface | Hardcourt (Rebound Ace) |
| Location | Melbourne, Australia |
| Venue | Melbourne Park |
| Champions | |
| Men's singles | |
 Andre Agassi | |
| Women's singles | |
| Lindsay Davenport | |
| Men's doubles | |
 Ellis Ferreira / Rick Leach | |
| Women's doubles | |
Lisa Raymond /  Rennae Stubbs | |
| Mixed doubles | |
| Rennae Stubbs / Jared Palmer | |
The 2000 Australian Open was a tennis tournament played on outdoor hard courts at Melbourne Park in Melbourne in Australia. It was the 88th edition of the Australian Open and was held from 17 through 30 January 2000.
Both Yevgeny Kafelnikov and Martina Hingis were unsuccessful in their title defences, both being defeated in the final matches by Andre Agassi and Lindsay Davenport, respectively. For Agassi, it was the second of four Australian Open titles, and for Davenport it was her final Grand Slam title.