The 1990 Stockholm Open was a tennis tournament played on indoor hard courts. It was the 22nd edition of the Stockholm Open and was part of the ATP Super 9 of the 1990 ATP Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden, from October 22 through October 29, 1990.
The singles draw was headlined by World No. 1, Wimbledon champion, Los Angeles, New Haven, Indian Wells, Cincinnati titlist Stefan Edberg, Brussels, Indianapolis, Stuttgart indoor winner, Wimbledon runner-up Boris Becker and Key Biscayne, San Francisco, Washington champion, French Open, US Open finalist Andre Agassi. Other top seeds were US Open, Manchester winner Pete Sampras, French Open, Barcelona champion Andrés Gómez, Emilio Sánchez, Brad Gilbert and John McEnroe.
Boris Becker def. Stefan Edberg, 6–4, 6–0, 6–3
- It was Boris Becker's 5th title of the year, and his 29th overall. It was his 1st Masters title. It was also his second consecutive win at the event after winning in 1988.
Guy Forget / Jakob Hlasek def. John Fitzgerald / Anders Järryd, 6–4, 6–2