1991 Paris Open – Singles

Guy Forget defeated Pete Sampras in the final, 7–6(11–9), 4–6, 5–7, 6–4, 6–4 to win the singles tennis title at the 1991 Paris Open. Forget became the first French champion of the Paris Open.

Stefan Edberg was the defending champion, but lost in the third round to Michael Chang.

Seeds
• # 🇸🇪 Stefan Edberg (third round)

• # 🇩🇪 Boris Becker (third round, withdrew)

• # 🇺🇸 Jim Courier (third round)

• # 🇩🇪 Michael Stich (withdrew)

• # 🇫🇷 Guy Forget (champion)

• # 🇺🇸 Pete Sampras (final)

• # 🇪🇸 Sergi Bruguera (third round)

• # Karel Nováček (quarterfinals)

• # Petr Korda (quarterfinals)

• # 🇺🇸 David Wheaton (second round)

• # Goran Ivanišević (third round)

• # 🇺🇸 Derrick Rostagno (third round)

• # Jakob Hlasek (second round)

• # 🇺🇸 Brad Gilbert (second round)

• # Goran Prpić (second round)

• # 🇺🇸 Michael Chang (semifinals)