| Mixed doubles | |
|---|---|
| 1985 US Open | |
| Champions |  Martina Navratilova  Heinz Günthardt |
| Runners-up |  Elizabeth Smylie John Fitzgerald |
| Final score | 6–3, 6–4 |
Manuela Maleeva and Tom Gullikson were the defending champions but lost in the second round to Kathleen Horvath and Leif Shiras.
Martina Navratilova and Heinz Günthardt won in the final 6–3, 6–4 against Elizabeth Smylie and John Fitzgerald.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Martina Navratilova / Heinz Günthardt (champions) Elizabeth Smylie / John Fitzgerald (final) Wendy Turnbull / 
John Lloyd (semifinals) Kathy Jordan / Steve Denton (first round) Paula Smith / Gary Donnelly (quarterfinals)
Manuela Maleeva / Tom Gullikson (second round)
Hana Mandlíková / 
Ilie Năstase (second round)
Laura Gildemeister / 
Hans Gildemeister (first round)| Final | ||||||
| 1 | Martina Navratilova Heinz Günthardt | 6 | 6 | |||
| 2 | Elizabeth Smylie John Fitzgerald | 3 | 4 | |||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Navratilova H Günthardt | 6 | 6 | ||||||||||||||||||||||||
 P Medrado G Barbosa | 1 | 4 | 1 | M Navratilova H Günthardt | 6 | 6 | |||||||||||||||||||||
| H Crowe B Dyke | 4 | 6 | P Barg  S Perkiss | 2 | 3 | ||||||||||||||||||||||
| P Barg S Perkiss | 6 | 7 | 1 | M Navratilova H Günthardt | 6 | 3 | 6 | ||||||||||||||||||||
| P Casale D Graham | 3 | 3 | V Wade K Warwick | 3 | 6 | 3 | |||||||||||||||||||||
| V Wade K Warwick | 6 | 6 | V Wade K Warwick | 6 | 6 | 7 | |||||||||||||||||||||
| P Louie M Mitchell | 1 | 4 | 7 | H Mandlíková I Năstase | 7 | 4 | 5 | ||||||||||||||||||||
| 7 | H Mandlíková I Năstase | 6 | 6 | 1 | M Navratilova H Günthardt | 6 | 6 | ||||||||||||||||||||
| 4 | K Jordan S Denton | 2 | 4 | K Horvath L Shiras | 4 | 2 | |||||||||||||||||||||
 I Kloss S Meister | 6 | 6 | I Kloss S Meister | 6 | 5 | 3 | |||||||||||||||||||||
| J Russell D Gitlin | 6 | 6 | J Russell D Gitlin | 3 | 7 | 6 | |||||||||||||||||||||
| E Burgin M Bauer | 2 | 2 | J Russell D Gitlin | 6 | 7 | 3 | |||||||||||||||||||||
| C Reynolds T Delatte | 6 | 6 | 6 | K Horvath L Shiras | 7 | 6 | 6 | ||||||||||||||||||||
| K Horvath L Shiras | 7 | 3 | 7 | K Horvath L Shiras | 6 | 6 | |||||||||||||||||||||
| B Gadusek M Fancutt | 6 | 7 | 6 | 6 | M Maleeva T Gullikson | 4 | 2 | ||||||||||||||||||||
| 6 | M Maleeva T Gullikson | 7 | 6 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | L Gildemeister Ha Gildemeister | ||||||||||||||||||||||||||
| Z Garrison M Freeman | w/o | Z Garrison M Freeman | 7 | 6 | |||||||||||||||||||||||
 J Hetherington R Acuña | 3 | 4 |  B Bunge He Gildemeister | 6 | 4 | ||||||||||||||||||||||
| B Bunge He Gildemeister | 6 | 6 | Z Garrison M Freeman | 4 | 4 | ||||||||||||||||||||||
| C Monteiro C Motta | 4 | 5 | 3 | W Turnbull J Lloyd | 6 | 6 | |||||||||||||||||||||
| R White B Walts | 6 | 7 | R White B Walts | 5 | 7 | 1 | |||||||||||||||||||||
| K Maleeva C Strode | 2 | 4 | 3 | W Turnbull J Lloyd | 7 | 6 | 6 | ||||||||||||||||||||
| 3 | W Turnbull J Lloyd | 6 | 6 | 3 | W Turnbull J Lloyd | 4 | 3 | ||||||||||||||||||||
| 5 | P Smith G Donnelly | 6 | 6 | 2 | E Smylie J Fitzgerald | 6 | 6 | ||||||||||||||||||||
| S Mascarin M Purcell | 4 | 4 | 5 | P Smith G Donnelly | 6 | 6 | 6 | ||||||||||||||||||||
| K Shaefer H Pfister | 6 | 6 | 2 | P Whytcross M Edmondson | 2 | 7 | 4 | ||||||||||||||||||||
| P Whytcross M Edmondson | 2 | 7 | 6 | 5 | P Smith G Donnelly | 2 | 5 | ||||||||||||||||||||
| R Casals J Alexander | 3 | 6 | 3 | 2 | E Smylie J Fitzgerald | 6 | 7 | ||||||||||||||||||||
| M-L Piatek C Dunk | 6 | 3 | 6 | M-L Piatek C Dunk | 5 | 3 | |||||||||||||||||||||
| S Walsh-Pete M Davis | 4 | 4 | 2 | E Smylie J Fitzgerald | 7 | 6 | |||||||||||||||||||||
| 2 | E Smylie J Fitzgerald | 6 | 6 | ||||||||||||||||||||||||
Defending champion Martina Navratilova and her partner Gigi Fernández defeated Jana Novotná and Helena Suková in the final, 6–2, 6–4 to win the women's doubles tennis title at the 1990 US Open. It was Navratilova's ninth US Open women's doubles title and 31st and final major women's doubles title overall, the latter an all-time record. Novotná and Suková were attempting to achieve the Grand Slam.
Manuela Maleeva-Fragniere was the defending champion but did not compete that year.
Martina Navratilova won in the final 6–2, 6–4 against Chris Evert-Lloyd.
Chris Evert was the defending champion but did not compete that year.
Steffi Graf was the defending champion but did not compete that year.
Mercedes Paz and Eva Pfaff were the defending champions but they competed with different partners that year, Paz with Mary Lou Daniels and Pfaff with Zina Garrison.
Martina Navratilova was the defending champion but lost in the final 6–2, 6–4 against Steffi Graf.
Ann Henricksson and Christiane Jolissaint were the defending champions but only Henricksson competed that year with Gretchen Magers.
First-seeded Martina Navratilova was the defending champion and won in the final 6–2, 6–2 against Chris Evert. This was the 80th and the last time these two legends faced each other in a professional match with Navratilova ending the rivalry 43–37 in her favour.
Paul McNamee and Martina Navratilova were the defending champions, but decided not to play together. McNamee competed with Hana Mandlíková but lost in the first round to David Graham and Elise Burgin, while Navratilova played with Heinz Günthardt.
Elizabeth Sayers and John Fitzgerald were the defending champions but lost in the final 2–6, 7–5, 6–4 against Manuela Maleeva and Tom Gullikson.
Martina Navratilova and Heinz Günthardt were the defending champions but only Navratilova competed that year with Peter Fleming.
Raffaella Reggi and Sergio Casal were the defending champions but did not turn up in the semifinals to play Martina Navratilova and Emilio Sánchez.
Nicole Provis and Mark Woodforde were the defending champions but only Woodforde competed that year with Martina Navratilova.
Martina Navratilova and Pam Shriver were the defending champions but lost in the final 6–7(5–7), 6–2, 6–3 against Claudia Kohde-Kilsch and Helena Suková.
Martina Navratilova and Pam Shriver were the defending champions and won in the final 5–7, 6–4, 6–2 against Kathy Jordan and Elizabeth Smylie.
Pam Shriver and Natasha Zvereva were the defending champions but they competed with different partners that year, Shriver with Martina Navratilova and Zvereva with Gigi Fernández.
Zina Garrison and Sherwood Stewart were the defending champions but lost in the first round to Louise Field and Brad Drewett.
Three-time defending champions Martina Navratilova and Pam Shriver successfully defended their title, defeating Claudia Kohde-Kilsch and Helena Suková in the final, 6–3, 6–4 to win the women's doubles tennis title at the 1985 Australian Open.
Gigi Fernández and Martina Navratilova were the defending champions, but Navratilova could not compete this year due to a flu. Fernández teamed up with Robin White and lost in the semifinals to Chris Evert Lloyd and Wendy Turnbull.