| 2011 Proton Malaysian Open | |
|---|---|
| Date | 26 September – 2 October |
| Edition | 3rd |
| Category | ATP World Tour 250 Series |
| Draw | 28S / 16D |
| Prize money | $850,000 |
| Location | Kuala Lumpur, Malaysia |
| Champions | |
| Singles | |
 Janko Tipsarević[1] | |
| Doubles | |
 Eric Butorac /  Jean-Julien Rojer[2] | |
The 2011 Malaysian Open (also known as the 2011 Proton Malaysian Open' for sponsorship reasons) was a men's 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.
- ^ "2011 Kuala Lumpur – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2011 Kuala Lumpur – Doublesdraw". Association of Tennis Professionals (ATP).