1991 Virginia Slims of Palm Springs – Singles

Martina Navratilova was the defending champion and successfully defended her title, defeating Monica Seles in the final, 6–2, 7–6(8–6).

Seeds
The top eight seeds received a bye to the second round.

• # Monica Seles (final)

• # 🇺🇸 Martina Navratilova (champion)

• # 🇧🇬 Katerina Maleeva (quarterfinals)

• # Helena Suková (second round)

• # 🇺🇸 Amy Frazier (third round)

• # 🇦🇹 Barbara Paulus (third round)

• # 🇫🇷 Nathalie Tauziat (semifinals)

• # 🇨🇦 Helen Kelesi (semifinals)

• # 🇩🇪 Anke Huber (second round)

• # Rosalyn Fairbank-Nideffer (third round)

• # 🇧🇪 Sabine Appelmans (third round)

• # 🇺🇸 Lori McNeil (second round)

• # 🇸🇪 Catarina Lindqvist (third round)

• # 🇺🇸 Marianne Werdel (first round)

• # 🇫🇷 Julie Halard (quarterfinals)

• # 🇧🇬 Magdalena Maleeva (quarterfinals)