2024 Australian Open – Women's singles

Defending champion Aryna Sabalenka defeated Zheng Qinwen in the final, 6–3, 6–2 to win the women's singles tennis title at the 2024 Australian Open. It was her second Australian Open title and second major singles title overall. Sabalenka did not lose a set during the tournament, and lost only 31 games in total. She was the first player to defend the title since Victoria Azarenka in 2013.

Dayana Yastremska was the first qualifier to reach the Australian Open semifinals since Christine Matison in 1978, and the third Ukrainian (male or female) to reach a major semifinal, after Elina Svitolina and Andrei Medvedev. Zheng became the second Chinese to reach a major singles final, after Li Na, and the second player in the Open Era to beat six unseeded players en route to the final after Arantxa Sánchez Vicario in 1995, and the third player to do so at any major (after Sánchez Vicario and Martina Hingis at 1996 and 1997 Wimbledon, respectively, with the 16-seeds draw still in place). By reaching the final, Zheng made her debut in the top ten of the WTA rankings.

For the first time in the tournament's history, there were six former champions in the main draw: Sabalenka, Naomi Osaka, Sofia Kenin, Caroline Wozniacki, Angelique Kerber, and Victoria Azarenka. This was the final Australian Open appearance for 2016 champion Kerber, who lost to Danielle Collins in the first round.

The defeat of world No. 1 Iga Świątek by Linda Nosková in the third round marked the earliest loss by a top seed at the Australian Open since 1979, and the first time that the top seed failed to make the round of 16 since the tournament became a 128-player draw in 1988. Nosková was the first teenager to defeat a current world No. 1 at a major since Petra Kvitová defeated Dinara Safina at the 2009 US Open. The five top-10 seeds to reach the third round were the fewest since 1988. Only seven seeded players reached the fourth round; this was the worst performance by seeded players since the draw was expanded to 128 players in 1988, and the worst overall since 1985.

Elena Rybakina and Anna Blinkova played the longest tiebreak in a major singles match in the third set of their second-round match. Blinkova won the tiebreak 22–20.