1990 Swedish Open – Men's singles

The defending champion was Paolo Canè but he did not participate, in 1990. The fourth seeded, Richard Fromberg from Australia won the singles title.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

• # 🇦🇷 Guillermo Pérez Roldán (second round)

• # 🇸🇪 Mats Wilander (second round)

• # Goran Prpić (quarterfinals)

• # 🇦🇺 Richard Fromberg (champion)

• # N/A

• # Paul Haarhuis (first round)

• # 🇸🇪 Jan Gunnarsson (first round)

• # 🇫🇮 Aki Rahunen (quarterfinals)