| Date: | 23–29 September |
| Edition: | 5th |
| Category: | World Tour 250 series |
| Prize Money: | $857,500 |
| Draw: | 28S / 16D |
| Surface: | Hard |
| Location: | Kuala Lumpur, Malaysia |
| Champs: | João Sousa[1] |
| Champd: |  Eric Butorac / Raven Klaasen[2] |
| After Name: | Malaysian Open, Kuala Lumpur |
The 2013 Proton Malaysian Open was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament, and part of the 2013 ATP World Tour. It took place in Kuala Lumpur, Malaysia between 23 and 29 September 2013.
| Country | Player | Rank* | Seed | |
|---|---|---|---|---|
 Spain | David Ferrer | 4 | 1 | |
| Stanislas Wawrinka | 10 | 2 | ||
| Spain | Nicolás Almagro | 18 | 3 | |
 Austria | Jürgen Melzer | 27 | 4 | |
 France | Julien Benneteau | 33 | 5 | |
 Russian Federation | Dmitry Tursunov | 34 | 6 | |
 Canada | Vasek Pospisil | 41 | 7 | |
| Russian Federation | Nikolay Davydenko | 43 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Brian Baker
Juan Mónaco
Andreas Seppi| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Pakistan | Aisam-ul-Haq Qureshi | Jean-Julien Rojer | 29 | 1 | ||
| France | Julien Benneteau |  Serbia | Nenad Zimonjić | 35 | 2 | |
 Mexico | Santiago González | Scott Lipsky | 60 | 3 | ||
| Treat Huey |  United Kingdom | Dominic Inglot | 61 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pairs received entry as alternates:
Nikolay Davydenko (wrist injury)See main article: 2013 Proton Malaysian Open – Singles.
Julien Benneteau 2–6, 7–5, 6–4See main article: 2013 Proton Malaysian Open – Doubles.
Eric Butorac / Raven Klaasen defeated Pablo Cuevas / Horacio Zeballos 6–2, 6–4
