The 2012 Crédit Agricole Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts. It was the 45th edition of the Crédit Agricole Suisse Open Gstaad, and was part of the ATP World Tour 250 Series of the 2012 ATP World Tour. It took place at the Roy Emerson Arena in Gstaad, Switzerland, from 16 July through 22 July 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Serbia | Janko Tipsarević | 8 | 1 | |
 Spain | Marcel Granollers | 24 | 2 | |
| Stanislas Wawrinka | 25 | 3 | ||
 Russian Federation | Mikhail Youzhny | 28 | 4 | |
| Spain | Feliciano López | 29 | 5 | |
 France | Julien Benneteau | 32 | 6 | |
 Colombia | Santiago Giraldo | 43 | 7 | |
 Australia | Bernard Tomic | 45 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry as a special exempt into the singles main draw:
The following players received entry from the qualifying draw:
David Ferrer (fatigue)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Spain | Marcel Granollers | Spain | Marc López | 35 | 1 | |
| Ivan Dodig | Marcelo Melo | 61 | 2 | |||
| Australia | Paul Hanley | Julian Knowle | 92 | 3 | ||
| Dustin Brown | Mikhail Elgin | 104 | 4 |
The following pairs received wildcards into the doubles main draw:
Filippo Volandri (gastrointestinal illness)See main article: 2012 Crédit Agricole Suisse Open Gstaad – Singles.
Thomaz Bellucci defeated Janko Tipsarević, 6–7(6–8), 6–4, 6–2See main article: 2012 Crédit Agricole Suisse Open Gstaad – Doubles.
Marcel Granollers / Marc López defeated Robert Farah / Santiago Giraldo, 6–4, 7–6(11–9)
