II Corps
2nd Corps, Second Corps, or II Corps may refer to:
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France
- 2nd Army Corps (France)
- II Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars
- II Corps (Grande Armée), a unit of the Imperial French army during the Napoleonic Wars
Germany
- II Cavalry Corps (German Empire), a unit of the Imperial German Army
- II Corps (German Empire), a unit of the Imperial German Army
- II Royal Bavarian Corps, a unit of the Bavarian Army and the Imperial German Army
- II Royal Bavarian Reserve Corps, a unit of the Bavarian Army and the Imperial German Army
- II Army Corps (Wehrmacht), a Wehrmacht unit in World War II
- II SS Panzer Corps, a Waffen-SS unit in World War II
Russian Empire
- 2nd Army Corps (Russian Empire)
- 2nd Siberian Army Corps
- 2nd Army Corps (Armed Forces of South Russia), a unit in the white movement
Soviet Union
United States
- II Corps (United States), World War II
- II Corps (Union Army), a unit in the American Civil War
- Second Corps, Army of Northern Virginia
- Second Army Corps (Spanish–American War)
Other countries
- II ANZAC Corps, Australia and New Zealand
- II Corps (Australia)
- II Canadian Corps
- Second Artillery Corps, People's Republic of China
- Finnish II Corps (Winter War)
- Finnish II Corps (Continuation War)
- II Army Corps (Greece)
- II Corps (India)
- II Corps (North Korea)
- II Corps (Ottoman Empire)
- II Corps (Pakistan)
- II Corps (Poland)
- II Corps (South Korea)
- II Corps (South Vietnam)
- II Corps (United Kingdom)
- 2nd Corps (Vietnam People's Army)
- 2nd Army Corps (Azerbaijan)
- 2nd Army Corps (Armenia)
- 2nd Army Corps (Russia) (formerly the Luhansk People's Republic People's Militia, of Russian people's militias in Ukraine)
- 2nd Corps (Syria)