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)