2nd Army
2nd Army is the name of the following major units:
- 2nd Army (German War)
- 2nd Army (Franco-German War)
- 2nd Army (German Empire) , association in the First World War
- 2nd Army (Wehrmacht) , Army in World War II
- 2nd Army (Japanese Empire) , Association of the Imperial Japanese Army
- 2nd Regional Army , Union of the Imperial Japanese Army
- 2nd Army (UK)
- 2 e armée (France)
- Second United States Army , Association of the US Army
- 2nd Army (Russian Empire) , Russian unit in the First World War
- 2nd Manchurian Army (Russian Empire) , 1904–1905
- 2nd Army (Red Army) , major military unit of the Soviet Union before and during World War II
- 2nd Army (Romania) , Association of Armata Română in World War I
- 2nd Army (Hungary) , unit in World War II
- 2nd Army (Austria-Hungary) , in the First World War
- 2nd Army (Turkey)
- 2nd Army (Ottoman Empire) , Association of the Ottoman Army between 1873 and 1918
See also:
- 2nd Panzer Army (Wehrmacht)
- 2nd Panzer Army (Red Army) of the Red Army of the Soviet Union
- 2nd Air Army (Japanese Empire) , Association of the Imperial Japanese Army Air Forces
