The 2011 Bet-at-home Cup Kitzbühel was a men's tennis tournament played on outdoor clay courts. It was the 67th edition of the Austrian Open Kitzbühel, as part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the Tennis stadium Kitzbühel in Kitzbuehel Austria, from August 1 through 7, 2011. It was demoted to the ATP Challenger in 2010, and made its return to the ATP World Tour in 2011.
| Country | width=150 | Player | Ranking* | Seeding |
|---|---|---|---|---|
 Argentina | Juan Ignacio Chela | 21 | 1 | |
 Spain | Feliciano López | 24 | 2 | |
| Ivan Ljubičić | 32 | 3 | ||
 Italy | Fabio Fognini | 38 | 4 | |
| Philipp Kohlschreiber | 42 | 5 | ||
| Italy | Andreas Seppi | 44 | 6 | |
| Spain | Marcel Granollers | 45 | 7 | |
| Spain | Pablo Andújar | 47 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2011 Bet-at-home Cup Kitzbühel – Singles qualifying.
See main article: 2011 Bet-at-home Cup Kitzbühel – Singles. Robin Haase defeated Albert Montañés, 6–4, 4–6, 6–1
See main article: 2011 Bet-at-home Cup Kitzbühel – Doubles. Daniele Bracciali / 
Santiago González defeated 
Franco Ferreiro / André Sá, 7–6(7–1), 4–6, [11–9]
