| Doubles | |
|---|---|
| 1991 St. Petersburg Open | |
| Champions |  Elena Brioukhovets Natalia Medvedeva |
| Runners-up |  Isabelle Demongeot  Jo Durie |
| Score | 7–5, 6–3 |
| Draw | 16 (1Q) |
| Seeds | 4 |
Gretchen Magers and Robin White were the defending champions, but none competed this year.
Elena Brioukhovets and Natalia Medvedeva won the title by defeating Isabelle Demongeot and Jo Durie 7–5, 6–3 in the final. [1]
Isabelle Demongeot / Jo Durie (final) Elena Brioukhovets / Natalia Medvedeva (champions)
Ivana Jankovská / Eva Melicharová (semifinals)
Donna Faber / Ann Henricksson (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | I Demongeot J Durie | 6 | 6 | ||||||||||||||||||||||||
 B Cordwell  M Lindström | 3 | 2 | 1 | I Demongeot J Durie | 6 | 1 | 6 | ||||||||||||||||||||
| Q | O Lugina E Makarova | 2 | 2 | E Maniokova  P Ritter | 1 | 6 | 3 | ||||||||||||||||||||
| E Maniokova P Ritter | 6 | 6 | 1 | I Demongeot J Durie | 6 | 6 | |||||||||||||||||||||
| 4 | D Faber A Henricksson | 7 | 6 | S Testud N van Lottum | 1 | 4 | |||||||||||||||||||||
| B Reinstadler S Smith | 6 | 4 | 4 | D Faber A Henricksson | 0 | 5 | |||||||||||||||||||||
| S Testud N van Lottum | 6 | 6 | S Testud N van Lottum | 6 | 7 | ||||||||||||||||||||||
| S Parkhomenko N Bykova | 3 | 3 | 1 | I Demongeot J Durie | 5 | 3 | |||||||||||||||||||||
 A Aallonen P Thorén | 0 | 1 | 2 | E Brioukhovets N Medvedeva | 7 | 6 | |||||||||||||||||||||
 L Golarsa  B Rittner | 6 | 6 | L Golarsa B Rittner | 7 | 6 | 3 | |||||||||||||||||||||
 I Driehuis  L Pleming | 6 | 6 | 3 | I Jankovská E Melicharová | 5 | 7 | 6 | ||||||||||||||||||||
| 3 | I Jankovská E Melicharová | 7 | 7 | 3 | I Jankovská E Melicharová | 6 | 0 | ||||||||||||||||||||
| H Kadzidroga C Schneider | 2 | 3 | 2 | E Brioukhovets N Medvedeva | 7 | 6 | |||||||||||||||||||||
 I Berger  N Miyagi | 6 | 6 | I Berger N Miyagi | 3 | 6 | ||||||||||||||||||||||
| S Frankl H Vildová | 4 | 4 | 2 | E Brioukhovets N Medvedeva | 6 | 7 | |||||||||||||||||||||
| 2 | E Brioukhovets N Medvedeva | 6 | 6 | ||||||||||||||||||||||||
Claudia Kohde-Kilsch and Helena Suková were the defending champions but lost in the final 6–2, 4–6, 6–4 against Isabelle Demongeot and Nathalie Tauziat.
Larisa Savchenko and Natasha Zvereva won in the final 6–4, 6–1 against Leila Meskhi and Svetlana Parkhomenko.
Katrina Adams and Zina Garrison were the defending champions of the doubles event but lost in the quarterfinals of the 1989 Virginia Slims of Florida tennis tournament to Manon Bollegraf and Eva Pfaff.
Steffi Graf and Gabriela Sabatini were the defending champions but only Sabatini competed that year with Betsy Nagelsen.
Kathy Jordan and Helena Suková were the defending champions but did not compete that year.
Martina Navratilova and Pam Shriver were the defending champions but lost in the semifinals to Gigi Fernández and Robin White.
Natasha Zvereva and Jim Pugh were the defending champions but lost in the quarterfinals to Pam Shriver and Mark Kratzmann.
Nicole Provis and Elizabeth Smylie were the defending champions but were defeated in the quarterfinals by Jo-Anne Faull and Julie Richardson.
Patty Fendick and Mary Joe Fernández won their first career Grand Slam title, defeating Gigi Fernández and Jana Novotná 7–6(7–4), 6–1 in the final.
Larisa Savchenko and Natasha Zvereva defeated Steffi Graf and Gabriela Sabatini in the final, 6–4, 6–4 to win the women's doubles tennis title at the 1989 French Open. It was Graf and Sabatini's third runner-up finish at the event.
Jana Novotná and Helena Suková were the defending champions, but Suková did not compete this year.
Players who neither had high enough rankings nor received wild cards to enter the main draw of the annual US Open Tennis Championships participated in a qualifying tournament held over several days before the event.
Isabelle Demongeot and Natalia Medvedeva were the defending champions, but none competed this year.
Leila Meskhi was the defending champion, but chose to compete at Bayotte in the same week.
Elena Brioukhovets and Natalia Medvedeva were the defending champions, but they did not compete this year.
Isabelle Demongeot and Nathalie Tauziat were the defending champions, but chose to compete this year with different partners. Demongeot teamed up with Catherine Tanvier and lost in the quarterfinals to Gigi Fernández and Martina Navratilova, while Tauziat teamed up with Judith Wiesner and also lost in the quarterfinals to Larisa Savchenko-Neiland and Helena Suková.
Elena Brioukhovets and Natalia Medvedeva were the last tournament winners in 1991, but Medvedeva chose not to compete this year. Brioukhovets teamed up with Elena Likhovtseva and lost in the semifinals to Laura Golarsa and Caroline Vis.
Nana Miyagi and Suzanna Wibowo were the defending champions, but Wibowo did not compete this year. Miyagi teamed up with Yayuk Basuki and lost in the quarterfinals to Isabelle Demongeot and Natalia Medvedeva.
Gretchen Magers was the defending champion, but lost in the semifinals to Elena Brioukhovets.
Larisa Savchenko and Natasha Zvereva were the defending champions, but Zvereva did not compete this year. Savchenko teamed up with Mercedes Paz and lost in the semifinals to Elena Brioukhovets and Eugenia Maniokova.
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