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]
← 2004 · Austrian Open · 2006 →

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.

Finals

Singles

Gastón Gaudio defeated Fernando Verdasco 2–6, 6–2, 6–4, 6–4^[3]

• It was Gaudio's 5th title of the year and the 8th of his career.

Doubles

Leoš Friedl / Andrei Pavel defeated Christophe Rochus / Olivier Rochus 6–2, 6–7^(5–7), 6–0

• It was Friedl's 6th title of the year and the 11th of his career. It was Pavel's 1st title of the year and the 2nd of his career.