| 2011 Proton Malaysian Open | |
|---|---|
| Date | 26 September – 2 October | 
| Edition | 3rd | 
| Category | ATP World Tour 250 Series | 
| Location | Kuala Lumpur, Malaysia | 
| Champions | |
| Singles | |
|  Janko Tipsarević | |
| Doubles | |
|  Eric Butorac /  Jean-Julien Rojer | |
The 2011 Malaysian Open (also known as the '2011 Proton Malaysian Open' for sponsorship reasons) was a tennis tournament played on indoor hard courts. It was the third edition of the Proton Malaysian Open, and was classified as an ATP World Tour 250 Series of the 2011 ATP World Tour. It took place at the Bukit Jalil Sports Complex in Kuala Lumpur, Malaysia. Janko Tipsarević won the singles title.
 Janko Tipsarević defeated
 Janko Tipsarević defeated  Marcos Baghdatis, 6–4, 7–5
 Marcos Baghdatis, 6–4, 7–5
 Eric Butorac /
 Eric Butorac /  Jean-Julien Rojer defeated
 Jean-Julien Rojer defeated  František Čermák /
 František Čermák /  Filip Polášek, 6–1, 6–3
 Filip Polášek, 6–1, 6–3