| Date: | 4–10 July (women) 11–17 July (men) |
| Edition: | 3rd (women) 64th (men) |
| Surface: | Clay / outdoors |
| Location: | Båstad, Sweden |
| Champms: |  Robin Söderling |
| Champmd: | Robert Lindstedt /  Horia Tecău |
| Champws: | Polona Hercog |
| Champwd: |  Lourdes Domínguez Lino / María José Martínez Sánchez |
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.
| Country | Player | Ranking* | Seeding | |
|---|---|---|---|---|
| Caroline Wozniacki | 1 | 1 | ||
 Italy | Flavia Pennetta | 21 | 2 | |
 Czech Republic | Lucie Šafářová | 32 | 3 | |
| Spain | Lourdes Domínguez Lino | 48 | 4 | |
 Russian Federation | Vera Dushevina | 51 | 5 | |
| Czech Republic | Iveta Benešová | 53 | 6 | |
| Czech Republic | Barbora Záhlavová-Strýcová | 55 | 7 | |
| Polona Hercog | 59 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2011 Swedish Open – Women's singles qualifying.
| Country | Player | Rank* | Seed | |
|---|---|---|---|---|
| Sweden | Robin Söderling | 5 | 1 | |
| Spain | David Ferrer | 6 | 2 | |
| Czech Republic | Tomáš Berdych | 9 | 3 | |
| Spain | Nicolás Almagro | 13 | 4 | |
| Spain | Tommy Robredo | 33 | 5 | |
 Argentina | Juan Mónaco | 43 | 6 | |
 Kazakhstan | Andrey Golubev | 45 | 7 | |
| Italy | Potito Starace | 52 | 8 |
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:
See main article: 2011 Swedish Open – Men's singles qualifying.
See main article: 2011 Swedish Open – Men's singles. Robin Söderling defeated David Ferrer, 6–2, 6–2
See main article: 2011 Swedish Open – Women's singles. Polona Hercog defeated Johanna Larsson, 6–4, 7–5
See main article: 2011 Swedish Open – Men's doubles. Robert Lindstedt / Horia Tecău defeated Simon Aspelin / Andreas Siljeström, 6–3, 6–3
See main article: 2011 Swedish Open – Women's doubles. Lourdes Domínguez Lino / María José Martínez Sánchez defeated Nuria Llagostera Vives / Arantxa Parra Santonja, 6–3, 6–3
