| Date: | 31 December 2012 – 5 January 2013 |
| Edition: | 21st |
| Category: | ATP World Tour 250 series |
| Prize Money: | $1,024,000 |
| Draw: | 32S / 16D |
| Surface: | Hard / outdoor |
| Location: | Doha, Qatar |
| Main Name: | ATP Qatar Open |
| Before Name: | Qatar Open |
| Champs: |  Richard Gasquet |
| Champd: | Christopher Kas / Philipp Kohlschreiber |
| After Name: | Qatar ExxonMobil Open |
The 2013 Qatar Open (also known as 2013 Qatar ExxonMobil Open for sponsorship reasons) was a men's tennis tournament played on outdoor hard courts. It was the 21st edition of the Qatar Open, and part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar, from 31 December 2012, through 5 January 2013. Second-seeded Richard Gasquet on the singles title.
| width=70 | Country | width=175 | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 Spain | David Ferrer | 5 | 1 | ||
| France | Richard Gasquet | 10 | 2 | ||
| Philipp Kohlschreiber | 20 | 3 | |||
 Russian Federation | Mikhail Youzhny | 25 | 4 | ||
| France | Jérémy Chardy | 32 | 5 | ||
 Serbia | Viktor Troicki | 38 | 6 | ||
| Spain | Feliciano López | 40 | 7 | ||
| Spain | Pablo Andújar | 42 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Sweden | Robert Lindstedt | Serbia | Nenad Zimonjić | 28 | 1 | |
 Austria | Julian Knowle |  Slovakia | Filip Polášek | 69 | 2 | |
 Italy | Daniele Bracciali | Austria | Oliver Marach | 72 | 3 | |
 Czech Republic | František Čermák | Slovakia | Michal Mertiňák | 72 | 4 |
The following pairs received wildcards into the doubles main draw:
Abdulrahman Harib / Mousa Shanan Zayed Jabor Mohammed Ali Mutawa / 
Mohamed SafwatSee main article: 2013 Qatar Open – Singles.
Richard Gasquet defeated Nikolay Davydenko, 3–6, 7–6(7–4), 6–3See main article: 2013 Qatar Open – Doubles.
Julian Knowle / Filip Polášek, 7–5, 6–4