| Women's doubles | |
|---|---|
| 2018 Brisbane International | |
| Champions |  Kiki Bertens Demi Schuurs |
| Runners-up |  Andreja Klepač  María José Martínez Sánchez |
| Final score | 7–5, 6–2 |
Bethanie Mattek-Sands and Sania Mirza were the defending champions, but both players could not participate this year due to injuries.
Kiki Bertens and Demi Schuurs won the title, defeating Andreja Klepač and María José Martínez Sánchez in the final, 7–5, 6–2.
Latisha Chan / 
Andrea Sestini Hlaváčková (semifinals)
Ashleigh Barty / Casey Dellacqua (semifinals)
Gabriela Dabrowski / 
Xu Yifan (quarterfinals) Andreja Klepač / María José Martínez Sánchez (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | L Chan A Sestini Hlaváčková | 6 | 6 | ||||||||||||||||||||||||
M Krajicek  A Kudryavtseva | 3 | 0 | 1 | L Chan A Sestini Hlaváčková | 77 | 77 | |||||||||||||||||||||
| H-c Chan K Srebotnik | 6 | 62 | [6] |  N Kichenok An Rodionova | 65 | 62 | |||||||||||||||||||||
| N Kichenok An Rodionova | 3 | 77 | [10] | 1 | L Chan A Sestini Hlaváčková | 63 | 6 | [9] | |||||||||||||||||||
| 4 | A Klepač MJ Martínez Sánchez | 6 | 6 | 4 | A Klepač MJ Martínez Sánchez | 77 | 3 | [11] | |||||||||||||||||||
 S Aoyama Z Yang | 1 | 3 | 4 | A Klepač MJ Martínez Sánchez | 5 | 7 | [10] | ||||||||||||||||||||
| L Kichenok M Ninomiya | 6 | 6 | L Kichenok M Ninomiya | 7 | 5 | [7] | |||||||||||||||||||||
| Alt |  S Cîrstea  A Sevastova | 1 | 2 | 4 | A Klepač MJ Martínez Sánchez | 5 | 2 | ||||||||||||||||||||
 J Konta E Svitolina | 2 | 2 | K Bertens D Schuurs | 7 | 6 | ||||||||||||||||||||||
| K Bertens D Schuurs | 6 | 6 | K Bertens D Schuurs | 5 | 6 | [10] | |||||||||||||||||||||
| M Adamczak S Sanders | 4 | 77 | [7] | 3 | G Dabrowski Y Xu | 7 | 3 | [6] | |||||||||||||||||||
| 3 | G Dabrowski Y Xu | 6 | 65 | [10] | K Bertens D Schuurs | 62 | 6 | [10] | |||||||||||||||||||
| WC | P Hon  A Tomljanović | 63 | 6 | [14] | 2 | A Barty C Dellacqua | 77 | 3 | [8] | ||||||||||||||||||
 A Rosolska  A Spears | 77 | 3 | [12] | WC | P Hon A Tomljanović | 5 | 1 | ||||||||||||||||||||
| WC | M Keys H Watson | 3 | 1 | 2 | A Barty C Dellacqua | 7 | 6 | ||||||||||||||||||||
| 2 | A Barty C Dellacqua | 6 | 6 | ||||||||||||||||||||||||
Lucie Hradecká and Renata Voráčová were the defending champions, but Voráčová chose not to participate, and only Hradecká competed that year. Hradecká partnered up with Andreja Klepač, but they lost in the quarterfinals to Vera Dushevina and Ekaterina Makarova.
The Gastein Ladies was a new addition to the WTA Tour in 2007.
Martina Hingis and Sania Mirza were the defending champions, but Hingis chose not to participate this year. Mirza played alongside Bethanie Mattek-Sands and successfully defended her title, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–2, 6–3.
Bethanie Mattek-Sands and Coco Vandeweghe were the defending champions, but chose not to participate together. Mattek-Sands played alongside Lucie Šafářová, but lost in the semifinals to Chan Yung-jan and Martina Hingis. Vandeweghe teamed up with Shelby Rogers, but lost in the first round to Andreja Klepač and María José Martínez Sánchez.
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but lost in the second round to Andreja Klepač and María José Martínez Sánchez.
Caroline Garcia and Kristina Mladenovic were the defending champions, but chose not to participate this year.
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose not to participate this year. Larsson played alongside Kirsten Flipkens, but lost in the final to Nicole Melichar and Anna Smith, 6–3, 3–6, [9–11].
Gabriela Dabrowski and María José Martínez Sánchez were the defending champions, but Dabrowski chose to compete in Birmingham instead. Martínez Sánchez played alongside Andreja Klepač, but lost in the quarterfinals to Jelena Janković and Anastasija Sevastova.
Sania Mirza and Barbora Strýcová were the defending champions, but chose not to participate this year.
Tímea Babos and Andrea Hlaváčková defeated Kiki Bertens and Johanna Larsson in the final, 4–6, 6–4, [10–5] to win the doubles tennis title at the 2017 WTA Finals.
Abigail Spears and Katarina Srebotnik were the defending champions, but chose not to compete together. Spears played alongside Alicja Rosolska, but lost in the first round to Mihaela Buzărnescu and Alizé Cornet. Srebotnik teamed up with Shuko Aoyama, but lost in the first round to Anastasia Pavlyuchenkova and Olga Savchuk.
Latisha Chan and Martina Hingis were the defending champions, but Hingis retired from professional tennis at the end of 2017. Chan played alongside her sister Chan Hao-ching, but lost in the second round to Hsieh Su-wei and Barbora Strýcová.
Gabriela Dabrowski and Xu Yifan were the defending champions, but lost in the first round to Elise Mertens and Demi Schuurs.
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but Šafářová did not participate due to illness. Mattek-Sands played alongside Andrea Sestini Hlaváčková, but lost in the quarterfinals 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.
Latisha Chan and Martina Hingis were the defending champions, but Chan chose to compete in Birmingham and Hingis retired from professional tennis at the end of 2017.
Ekaterina Makarova and Elena Vesnina were the two-time defending champions, but Vesnina chose not to participate this year.
Andreja Klepač and María José Martínez Sánchez were the defending champions, but chose not to participate.
Latisha Chan and Martina Hingis were the defending champions, but Hingis retired from professional tennis at the end of 2017 and Chan could not participate due to a medical condition.
Andreja Klepač and María José Martínez Sánchez were the defending champions, but Klepač chose not to participate this year.