| Date: | 3–8 August |
| Edition: | 71st |
| Category: | World Tour 250 series |
| Surface: | Clay / outdoor |
| Location: | Kitzbühel, Austria |
| Venue: | Tennis stadium Kitzbühel |
| Champs: | Philipp Kohlschreiber |
| Champd: |  Nicolás Almagro /  Carlos Berlocq |
| Before Name: | Bet-at-home Cup Kitzbühel |
| Main Name: | Generali Open Kitzbühel |
The 2015 Generali Open Kitzbühel was a men's tennis tournament played on outdoor clay courts. It was the 71st edition of the Austrian Open Kitzbühel, and part of the World Tour 250 series of the 2015 ATP World Tour. It took place at the Tennis stadium Kitzbühel in Kitzbühel, Austria, from August 3 through August 8.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Austria | Dominic Thiem | 24 | 1 | |
 Italy | Andreas Seppi | 26 | 2 | |
| Italy | Fabio Fognini | 32 | 3 | |
 Slovakia | Martin Kližan | 34 | 4 | |
| Argentina | Juan Mónaco | 38 | 5 | |
| Philipp Kohlschreiber | 40 | 6 | ||
 Czech Republic | Jiří Veselý | 45 | 7 | |
| Spain | Albert Ramos-Viñolas | 55 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry as a lucky loser:
The following players received entry from the qualifying draw:
Pablo Andújar →replaced by Dušan Lajović Simone Bolelli →replaced by Albert Montañés Guillermo García-López →replaced by Mikhail Youzhny
David Goffin →replaced by Aljaž Bedene
Gilles Simon →replaced by Pablo Carreño Busta| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 United Kingdom | Dominic Inglot |  Sweden | Robert Lindstedt | 78 | 1 | |
| Andre Begemann |  Poland | Łukasz Kubot | 91 | 2 | ||
| Poland | Mariusz Fyrstenberg |  Mexico | Santiago González | 91 | 3 | |
| Austria | Jürgen Melzer | Philipp Petzschner | 93 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2015 Generali Open Kitzbühel – Singles.
Paul-Henri Mathieu, 2–6, 6–2, 6–2See main article: 2015 Generali Open Kitzbühel – Doubles.
Nicolás Almagro / Carlos Berlocq defeated Robin Haase / 
Henri Kontinen, 5–7, 6–3, [11–9]