The Museum Liaunig can dispose over one of the biggest collections of Austrian art dating from 1950 onwards, which is supplemented by notable works from foreign painters and sculptors such as Tony Cragg, Robert Motherwell and Georges Mathieu.

Among the Austrian paintings and graphics are large bodies of work from Marc Adrian, Hans Bischoffshausen, Erwin Bohatsch, Gunter Damisch, Jakob Gasteiger, Alfred Klinkan, Hermann Painitz, Peter Pongratz, Markus Prachensky, Arnulf Rainer, Hubert Schmalix and Hans Staudacher.

Equally representative is the selection of works from Austrian sculptors and object artists: Joannis Avramidis, Wander Bertoni, Otto Eder, Bruno Gironcoli, Roland Goeschl, Gerhardt Moswitzer, Josef Pillhofer, Andreas Urteil, Fritz Wotruba.