The 2012 If Stockholm Open was a professional men's tennis tournament played on indoor hard courts. It was the 44th edition of the tournament, and part of the ATP World Tour 250 series of the 2012 ATP World Tour. It took place at the Kungliga tennishallen in Stockholm, Sweden between 15 and 21 October 2012. Tomáš Berdych won the singles title.
See main article: 2012 If Stockholm Open – Singles.
Tomáš Berdych defeated 
Jo-Wilfried Tsonga, 4–6, 6–4, 6–4See main article: 2012 If Stockholm Open – Doubles.
Marcelo Melo / Bruno Soares defeated 
Robert Lindstedt / 
Nenad Zimonjić, 6–7(7–4), 6–4, [10–6]| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| France | Jo-Wilfried Tsonga | 6 | 1 | |
| Czech Republic | Tomáš Berdych | 7 | 2 | |
 Spain | Nicolás Almagro | 11 | 3 | |
| Florian Mayer | 25 | 4 | ||
| Spain | Feliciano López | 29 | 5 | |
 Russian Federation | Mikhail Youzhny | 30 | 6 | |
 Cyprus | Marcos Baghdatis | 36 | 7 | |
 Finland | Jarkko Nieminen | 37 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Marcos Baghdatis (left groin injury)
Alejandro Falla| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Sweden | Robert Lindstedt | Serbia | Nenad Zimonjić | 21 | 1 | |
| Aisam-ul-Haq Qureshi | Jean-Julien Rojer | 29 | 2 | |||
| Brazil | Marcelo Melo | Bruno Soares | 39 | 3 | ||
 Mexico | Santiago González | Scott Lipsky | 56 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
Gaël Monfils (right knee injury) Marcos Baghdatis (neck pain)
