| 2005 Austrian Open | |
|---|---|
| Date | 25–31 July |
| Edition | 35th |
| Category | International Series Gold |
| Draw | 48S / 16D |
| Prize money | $760,000 |
| Surface | Clay / outdoor |
| Location | Kitzbühel, Austria |
| Venue | Kitzbühel Sportpark Tennis Stadium |
| Champions | |
| Singles | |
 Gastón Gaudio[1] | |
| Doubles | |
 Leoš Friedl /  Andrei Pavel[2] | |
The 2005 Austrian Open was a men's tennis tournament played on outdoor clay courts. It was the 35th edition of the Austrian Open, and was part of the International Series Gold of the 2005 ATP Tour. It took place at the Kitzbühel Sportpark Tennis Stadium in Kitzbühel, Austria, from 25 July until 31 July 2005. Third-seeded Gastón Gaudio won the singles title.