| 2011 Erste Bank Open | |
|---|---|
| Date | 25–30 October |
| Edition | 37th |
| Category | World Tour 250 Series |
| Draw | 28S / 16D |
| Prize money | €575,250 |
| Surface | Hard / indoor |
| Location | Vienna, Austria |
| Venue | Wiener Stadthalle |
| Champions | |
| Singles | |
 Jo-Wilfried Tsonga[1] | |
| Doubles | |
 Bob Bryan / Mike Bryan[2] | |
The 2011 Erste Bank Open was a men's tennis tournament to be played on indoor hard courts. It is the 37th edition of the event known that year as the Erste Bank Open, and part of the ATP World Tour 250 Series of the 2011 ATP World Tour. It is held at the Wiener Stadthalle in Vienna, Austria, from 25 October through 30 October 2011. First-seeded Jo-Wilfried Tsonga won the singles title.
- ^ "2011 Vienna – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2011 Vienna – Doubles draw". Association of Tennis Professionals (ATP).