| 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 | ||||||||||||||||||||||||
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