12th Army
12th Army was the name of the following major units:
- 12th Army (German Empire) , association in the First World War
- 12th Army (Wehrmacht) , association in World War II
- 12th Army (Russian Empire) , association of the Imperial Russian Army in World War I.
- 12th British Army , Union in World War II
- 12th Army (Red Army) , Union of the Red Army in World War II
- 12th Army (Japanese Empire) , unit in World War II
- 12th Regional Army , Union of the Imperial Japanese Army in World War II
- 12ª Armata , Italian-French army in World War I
