The 2002 Australian Open was a tennis tournament played on outdoor hard courts at Melbourne Park in Melbourne in Australia. It was the 90th edition of the Australian Open and was held from 14 through 27 January 2002 and attracted an attendance of 518,248.

Andre Agassi and Jennifer Capriati were the defending champions. Agassi, chose to withdraw from the tournament due to wrist injury. Thomas Johansson won his first Grand Slam title, while Capriati successfully defended her title defeating three-time champion Martina Hingis in the final.

Kia Motors began its sponsorship of the Australian Open in this season replacing Ford.

Thomas Johansson defeated Marat Safin, 3–6, 6–4, 6–4, 7–6^(7–4)

Jennifer Capriati defeated Martina Hingis, 4–6, 7–6^(9–7), 6–2

Mark Knowles / Daniel Nestor defeated Michaël Llodra / Fabrice Santoro, 7–6, 6–3

Martina Hingis / Anna Kournikova defeated Daniela Hantuchová / Arantxa Sánchez Vicario, 6–2, 6–7^(4–7), 6–1

Daniela Hantuchová / Kevin Ullyett defeated Paola Suárez / Gastón Etlis, 6–3, 6–2