Xu Yifan and Zheng Saisai were the defending champions, but lost in the quarterfinals to Johanna Konta and Maria Sanchez.
Raquel Atawo and Abigail Spears are the defending champions, but lost in the semifinals to Anna-Lena Grönefeld and Květa Peschke.
Mona Barthel and Laura Siegemund were the defending champions, but Barthel chose not to participate this year. Siegemund played alongside Antonia Lottner, but lost in the first round to Annika Beck and Xenia Knoll.
Caroline Garcia and Kristina Mladenovic were the defending champions, but chose not to participate this year.
Margarita Gasparyan and Andrea Hlaváčková were the defending champions, but Gasparyan chose not to participate this year and Hlaváčková chose to compete in Rabat instead.
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.
Tímea Babos and Kristina Mladenovic won the women's doubles tennis title at the 2018 Australian Open, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 6–3. It was the first Grand Slam title for Babos, who became the first Hungarian player to win a Grand Slam event since Andrea Temesvári in the 1986 French Open and the second Grand Slam title for Mladenovic.
Ashleigh Barty and CoCo Vandeweghe defeated Tímea Babos and Kristina Mladenovic in the final, 3–6, 7–6(7–2), 7–6(8–6) to win the women's doubles tennis title at the 2018 US Open.
Jeļena Ostapenko and Alicja Rosolska were the defending champions, but Ostapenko chose not to participate this year. Rosolska played alongside Lara Arruabarrena, but lost in the first round to Alla Kudryavtseva and Katarina Srebotnik.
Raquel Atawo and Jeļena Ostapenko were the defending champions, but chose not to participate together this year. Atawo successfully defended the title alongside Anna-Lena Grönefeld, defeating Nicole Melichar and Květa Peschke in the final, 6–4, 6–7(5–7), [10–5]. Ostapenko teamed up with Olga Savchuk, but lost in the quarterfinals to Atawo and Grönefeld.
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but chose not to compete together this year. Mattek-Sands played alongside Latisha Chan, but lost in the second round to Irina Bara and Mihaela Buzărnescu. Šafářová teamed up with Svetlana Kuznetsova, but lost in the second round to Sorana Cîrstea and Sara Sorribes Tormo.
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.
Gabriela Dabrowski and Jeļena Ostapenko were the defending champions, but chose not to participate together. Dabrowski played alongside Xu Yifan, but lost in the first round to Lara Arruabarrena and Kaitlyn Christian. Ostapenko teamed up with Veronika Kudermetova, but lost in the semifinals to Chan Hao-ching and Latisha Chan.
Alla Kudryavtseva and Katarina Srebotnik were the defending champions, but Kudryavtseva chose not to participate. Srebotnik played alongside Raquel Atawo, but lost in the quarterfinals to Irina Khromacheva and Veronika Kudermetova.
Raquel Atawo and Anna-Lena Grönefeld were the defending champions, but chose not to participate together this year. Atawo played alongside Katarina Srebotnik, but lost in the quarterfinals to Anastasia Pavlyuchenkova and Lucie Šafářová. Grönefeld teamed up with Demi Schuurs, but lost in the first round to Gabriela Dabrowski and Jeļena Ostapenko.
Demi Schuurs and Katarina Srebotnik were the defending champions, but chose not to participate together. Schuurs was scheduled to play alongside Anna-Lena Grönefeld, but the team withdrew before their first round match. Srebotnik teamed up with Raquel Atawo, but lost in the semifinals to Gabriela Dabrowski and Xu Yifan.
Tímea Babos and Kristina Mladenovic were the defending champions, but chose not to participate this year.
Barbora Krejčíková and Kateřina Siniaková were the defending champions, but lost in the semifinals to Gabriela Dabrowski and Xu Yifan.
Lucie Hradecká and Ekaterina Makarova were the defending champions, but Makarova could not participate this year due to injury. Hradecká played alongside Andreja Klepač and successfully defended her title, defeating Anna-Lena Grönefeld and Demi Schuurs in the final, 6–4, 6–1.
Elise Mertens and Aryna Sabalenka defeated Ashleigh Barty and Victoria Azarenka in the final, 7–5, 7–5, to win the women's doubles tennis title at the 2019 US Open.
Nicole Melichar 
Květa Peschke 
Mihaela Buzărnescu 
Lidziya Marozava 
