The 2011 Swedish Open was a tennis tournament played on outdoor clay courts part of the ATP World Tour 250 Series of the 2011 ATP World Tour and 2011 WTA Tour.

It took place in Båstad, Sweden, from 4 July through 10 July 2011 for women's and from 11 July through 17 July 2011 for men's.

It was also known as 2011 Collector Swedish Open for the Women's and 2011 SkiStar Swedish Open for the Men's for sponsorship reasons.

It was the 3rd edition for the Women's, while the 64th for the Men's.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following players received wildcards into the singles main draw: The following players received entry as a special exempt into the singles main draw: The following players received entry from the qualifying draw: Robin Söderling defeated David Ferrer, 6–2, 6–2 Polona Hercog defeated Johanna Larsson, 6–4, 7–5 Robert Lindstedt / Horia Tecău defeated Simon Aspelin / Andreas Siljeström, 6–3, 6–3 Lourdes Domínguez Lino / María José Martínez Sánchez defeated Nuria Llagostera Vives / Arantxa Parra Santonja, 6–3, 6–3