Austrian army may refer to:

Austrian Federal Army, the modern Austrian military

Austro-Hungarian Army, the ground force of the Austro-Hungarian Dual Monarchy from 1867 to 1918

Common Army, the largest part of the Austro-Hungarian Army from 1867 to 1914

Imperial-Royal Landwehr (of Austria), 1867 to 1918

Imperial Army of the Holy Roman Emperor, the army of the Habsburg emperors

Austrian Army during the French Revolutionary and Napoleonic Wars, the Austrian army from 1792 to 1815

Imperial Austrian Army (1806–1867), army of the Austrian Empire

Imperial Austrian Army (disambiguation)