| 2011 Serbia Open | |
|---|---|
 | |
| Date | April 23 – May 1 |
| Edition | 3rd |
| Category | ATP World Tour 250 |
| Prize money | €364,900 |
| Surface | Clay |
| Location | Belgrade, Serbia |
| Champions | |
| Singles | |
 Novak Djokovic | |
| Doubles | |
 František Čermák /  Filip Polášek | |
The 2011 Serbia Open (also known as Serbia Open 2011 powered by Telekom Srbija for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts. The third edition of the event, hosted by current Serbian player Novak Djokovic, was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the Tennis Center Novak complex in Belgrade, Serbia from April 23 through May 1. Sam Querrey was the defending champion.