The 2003 If Stockholm Open was a tennis tournament played on indoor hard courts at the Kungliga tennishallen in Stockholm in Sweden and was part of the International Series of the 2002 ATP Tour. The tournament ran from October 20 through October 26, 2003.
Mardy Fish defeated Robin Söderling 7–5, 3–6, 7–6(7–4)
- It was Fish's only title of the year and the 2nd of his career.
Jonas Björkman / Todd Woodbridge defeated Wayne Arthurs / Paul Hanley 6–3, 6–4
- It was Björkman's 4th title of the year and the 38th of his career. It was Woodbridge's 4th title of the year and the 80th of his career.