This was a new event in 2012.
Martina Hingis and Sania Mirza were the defending champions, but chose not to participate together. Hingis played alongside CoCo Vandeweghe, but lost in the second round to Ashleigh Barty and Casey Dellacqua. Mirza teamed up with Barbora Strýcová, but lost in the third round to Eri Hozumi and Miyu Kato.
Chuang Chia-jung and Darija Jurak were the defending champions, but chose not to participate together. Chuang played alongside Zheng Saisai, but lost in the first round to Gabriela Dabrowski and Jeļena Ostapenko. Jurak teamed up with Anastasia Rodionova, but lost in the second round to Dabrowski and Ostapenko.
Duan Yingying was the defending champion, but lost in the first round to Arina Rodionova.
Ekaterina Makarova and Elena Vesnina were the defending champions, but Vesnina was unable to compete due to an injury. Makarova played alongside Vera Zvonareva, but lost in the second round to Elise Mertens and Demi Schuurs.
Andrea Sestini Hlaváčková and Peng Shuai were the defending champions, but Sestini Hlaváčková chose to compete in Brisbane instead and Peng chose not to participate this year.
Wang Qiang was the defending champion, but chose not to participate.
Peng Shuai was the defending champion, but withdrew before the tournament began.
Samantha Stosur and Zhang Shuai won the women's doubles tennis title at the 2019 Australian Open, defeating defending champions Tímea Babos and Kristina Mladenovic in the final 6–3, 6–4.
Irina-Camelia Begu and Simona Halep were the defending champions, but Halep chose not to participate. Begu was scheduled to play alongside Zheng Saisai, but the latter withdrew due to a viral illness.
Hsieh Su-wei and Barbora Strýcová were the defending champions, but lost in the quarterfinals to Chan Hao-ching and Latisha Chan.
Barbora Krejčíková and Kateřina Siniaková were the defending champions, but lost in the first round to Nadiia Kichenok and Abigail Spears.
Barbora Krejčíková and Kateřina Siniaková were the defending champions, but lost in the semifinals to Gabriela Dabrowski and Xu Yifan.
Tímea Babos and Kristina Mladenovic won their second Australian Open title, defeating Hsieh Su-wei and Barbora Strýcová in the final, 6–2, 6–1. Despite the loss, Hsieh regained the WTA no. 1 doubles ranking for the first time since 2014, replacing her partner Strýcová. Mladenovic, Aryna Sabalenka and Xu Yifan were also in contention for the top ranking at the start of the tournament.
Hsieh Su-wei and Barbora Strýcová were the defending champions and successfully defended their title, defeating Barbora Krejčíková and Zheng Saisai in the final, 7–5, 3–6, [10–5].
The Gippsland Trophy is a new addition to the WTA Tour in 2021.
Elise Mertens and Aryna Sabalenka defeated Barbora Krejčíková and Kateřina Siniaková in the final, 6–2, 6–3, to win the women's doubles tennis title at the 2021 Australian Open. This was Mertens and Sabalenka's second Grand Slam doubles title as a team after they first won the 2019 US Open. By virtue of winning the title, Sabalenka claimed the world No. 1 doubles ranking.
Hsieh Su-wei and Barbora Strýcová were the defending champions, however, Strýcová did not participate due to her pregnancy. Hsieh played alongside Elise Mertens, but they lost in the second round to Jeļena Ostapenko and Anastasia Pavlyuchenkova.
Barbora Krejčíková and Kateřina Siniaková defeated Bethanie Mattek-Sands and Iga Świątek in the final, 6–4, 6–2, to win the women's doubles tennis title at the 2021 French Open. It was the pair's second French Open title and third major together. Krejčíková became the first woman to win both the singles and doubles tournaments at a Grand Slam since Serena Williams at the 2016 Wimbledon Championships, and the first to do so at the French Open since Mary Pierce in 2000, making her the seventh woman to accomplish the sweep in French Open history.
Elise Mertens and Aryna Sabalenka were the defending champions, but Sabalenka chose not to participate. Mertens partnered alongside Veronika Kudermetova.
Barbora Krejčíková 
Duan Yingying 
