The 2023 Australian Open is a Grand Slam tennis tournament that will take place at Melbourne Park, from 16–29 January 2023. It will be the 111th edition of the Australian Open, the 55th in the Open Era, and the first Grand Slam of the year. The tournament will consist of events for professional players in singles, doubles and mixed doubles. Junior and wheelchair players will compete in singles and doubles tournaments. As in previous years, the tournament's main sponsor is Kia. Rafael Nadal and Ashleigh Barty are the reigning champions in Men's singles and Women's singles, respectively. Barty chose not to defend her title after she retired from the sport in March 2022.