Lambach is a market town in the Wels-Land district of Upper Austria.
Lambach may also refer to:
Populated places Lambach, Moselle, a commune in the Moselle department in north-eastern France Neukirchen bei Lambach, a municipality in the district of Wels-Land in the Austrian state of Upper Austria Edt bei Lambach, a municipality in the district of Wels-Land in the Austrian state of Upper Austria
Rivers Lambach (Loper Bach), a river of North Rhine-Westphalia, Germany, tributary of the Loper Bach Lambach (Eickumer Mühlenbach), a river of North Rhine-Westphalia, Germany, tributary of the Eickumer Mühlenbach
Aviation Lambach HL.I, a trainer aircraft designed and built by the Delft Student Aeroclub in the Netherlands in the 1930s Lambach HL.II, a single seat aerobatic biplane designed and built in the Netherlands in the 1930s SSVOBB "Lambach Aircraft", an aircraft student society at TU Delft in the Netherlands
Military Helmut Lambach (1918–2000), Hauptmann in the Wehrmacht during World War II Battle of Lambach, a minor French victory during the Napoleonic Wars
Other Lambach Abbey, a Benedictine monastery in Lambach in the Wels-Land district of Upper Austria Old Lambach Symphony, Symphony, K. 45a written by Mozart