1991 Internationaux de Strasbourg – Singles

Mercedes Paz was the defending champion, but lost in the first round to Radka Zrubáková.

Zrubáková won the title by defeating Rachel McQuillan 7–6(7–3), 7–6(7–3) in the final.

Seeds
The first four seeds received a bye into the second round. • # 🇦🇹 Judith Wiesner (quarterfinals)

• # 🇺🇸 Lori McNeil (quarterfinals)

• # 🇧🇪 Sabine Appelmans (second round)

• # 🇵🇪 Laura Gildemeister (quarterfinals)

• # 🇮🇹 Federica Bonsignori (first round)

• # Manon Bollegraf (first round)

• # 🇦🇷 Mercedes Paz (first round)

• # 🇺🇸 Susan Sloane (first round)