The 2008 Allianz Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts.

It was the 41st edition of the Allianz Suisse Open Gstaad, and was part of the International Series of the 2008 ATP Tour.

10, Rome Masters and Doha runner-up Stanislas Wawrinka, Marseille and Munich semifinalist, and Gstaad defending champion Paul-Henri Mathieu, and Australian Open quarterfinalist and Chennai titlist Mikhail Youzhny.

Other seeded players were two-time Nottingham champion Ivo Karlović, Bergamo Challenger winner and 2007 Gstaad finalist Andreas Seppi, Nicolas Kiefer, Igor Andreev and Guillermo Cañas.

Victor Hănescu defeated Igor Andreev, 6–3, 6–4 Jaroslav Levinský / Filip Polášek defeated Stéphane Bohli / Stanislas Wawrinka, 3–6, 6–2, [11–9]