2008 Hypo Group Tennis International
Date	17–24 May
Edition	28th
Category	International Series
Draw	32S / 16D
Prize money	€349,000
Surface	Clay / outdoor
Location	Pörtschach am Wörthersee, Austria
Venue	Werzer Arena
Champions
Singles
Nikolay Davydenko
Doubles
Marcelo Melo / André Sá
← 2007 · Hypo Group Tennis International

The 2008 Hypo Group Tennis International was a men's tennis tournament played on outdoor clay courts. It was the 28th edition of the Hypo Group Tennis International, and was part of the International Series of the 2008 ATP Tour. It took place at the Werzer Arena in Pörtschach am Wörthersee, Austria, from 17 May through 24 May 2008.

The field included ATP No. 4 and Miami Masters champion Nikolay Davydenko, defending champion and Valencia Open doubles titlist Juan Mónaco, and Zagreb runner-up Ivan Ljubičić. Also present in the draw were Indian Wells finalist Mardy Fish, Las Vegas winner Sam Querrey, Andreas Seppi, Mario Ančić and Robin Haase.

First-seeded Nikolay Davydenko won the singles title.

Finals

Singles

Nikolay Davydenko defeated Juan Mónaco 6–2, 2–6, 6–2

• It was Nikolay Davydenko's 2nd title of the year, and his 13th overall. It was his 3rd win at the event.

Doubles

Marcelo Melo / André Sá defeated Julian Knowle / Jürgen Melzer 7–5, 6–7^(3–7), 13–11