| Date: | 14–20 February |
| Edition: | 19th |
| Category: | ATP World Tour 250 |
| Prize Money: | €512,750 |
| Draw: | 32S / 16D |
| Location: | Marseille, France |
| Venue: | Palais des Sports |
| Champs: |  Robin Söderling[1] |
| Champd: | Robin Haase /  Ken Skupski[2] |
The 2011 Open 13 was a men's tennis tournament played on indoor hard courts. It was the 18th edition of the Open 13, and was part of the ATP World Tour 250 tier of the 2011 ATP World Tour. It took place at the Palais des Sports in Marseille, France, from 14 February through 20 February 2010. First-seeded Robin Söderling won the singles title.
| Country | Player | Ranking1 | Seeding | |
|---|---|---|---|---|
| Sweden | Robin Söderling | 4 | 1 | |
 Czech Republic | Tomáš Berdych | 7 | 2 | |
 Russian Federation | Mikhail Youzhny | 10 | 3 | |
 Austria | Jürgen Melzer | 11 | 4 | |
| Ivan Ljubičić | 15 | 5 | ||
| Jo-Wilfried Tsonga | 18 | 6 | ||
| Ernests Gulbis | 21 | 7 | ||
 France | Michaël Llodra | 22 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
See main article: 2011 Open 13 – Singles. Robin Söderling defeated Marin Čilić, 6–7(8–10), 6–3, 6–3
See main article: 2011 Open 13 – Doubles. Robin Haase / Ken Skupski defeated Julien Benneteau / Jo-Wilfried Tsonga, 6–4, 6–7(4), [13-11]