Second Army or 2nd Army may refer to:

Germany

2nd Army (German Empire) The 2nd Army (german: 2. Armee / Armeeoberkommando 2 / A.O.K. 2) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 from the III Army Inspection. The army was disbanded in 1919 during de ...

, a World War I field army *

2nd Army (Wehrmacht) The 2nd Army () was a field army of the German Army during World War II. History 1939 and 1940 The 2nd Army headquarters was briefly established in Berlin from Group Command 1 on 26 August 1939 and at the beginning of the Invasion of Poland i ...

, a World War II field army *

2nd Panzer Army The 2nd Panzer Army (german: 2. Panzerarmee) was a German armoured formation during World War II, formed from the 2nd Panzer Group on October 5, 1941. Organisation Panzer Group Guderian (german: Panzergruppe Guderian) was formed on 5 June 1940 ...

Russia / Soviet Union

* Second Western Army, fought in the French invasion of Russia *

2nd Army (Russian Empire) The Russian 2nd Army (2-я армия, ''2А'') was an army-level command of the Imperial Russian Army in World War I. It was formed just prior to the outbreak of hostilities from the units of Warsaw Military District and was mobilized in August 19 ...

, fought at Tannenberg in 1914 *

2nd Army (RSFSR) The 2nd Army was a field army of the Red Army during the Russian Civil War. The 2nd Army was formed twice. The first formation was between the beginning of March 1918 and April as a reaction to the Austro-German occupation of Ukraine. The second ...

, fought in the Russian Civil War *

2nd Ukrainian Soviet Army The 2nd Ukrainian Soviet Army was a field army of the Red Army during the Russian Civil War, which was formed on April 15, 1919, from the units of the ''Group of Forces of the Kharkov Direction''. It was first part of the Ukrainian Front and from ...

, fought in the Russian Civil War *

2nd Red Banner Army The 2nd Red Banner Army () was a Soviet field army of World War II that served as part of the Far Eastern Front. The army was formed at Khabarovsk in the Soviet Far East in 1938 as the 2nd Army. After the Far Eastern Front was split in Septembe ...

, a Soviet field army of World War II

Others

* II Army (Argentina) *

Second Army (Australia) The Second Army was a field army of the Australian Army, during World War II. Raised in April 1942 from the existing HQ Home Forces, the formation remained in Australia throughout the war and was responsible for commanding forces in the Australi ...

2nd Army (Austria-Hungary) The 2nd Army (german: k.u.k. 2. Armee), later designated East Army (german: Ost-Armee), was a field army-level command of Austro-Hungarian Army that was active during World War I. It was initially formed to take part in the Balkans Campaign befor ...

* Second Army (Bulgaria) * Second Army (Egypt) * Second Army (France) * Second Army (Hungary) *

Second Army (Italy) The 2nd Army ( it, 2ª Armata) was a World War I and World War II field army of the Royal Italian Army. World War I Commanders *General Pietro Frugoni (May 1915 - June 1916) *General Settimio Piacentini (July 1916 - June 1917) *General ...

Second Army (Japan) The was an army of the Imperial Japanese Army. It was raised and demobilized on four occasions. History The Japanese 2nd Army was initially raised during the First Sino-Japanese War from September 27, 1894, to May 14, 1895, under the command o ...

Second Army (Ottoman Empire) The Second Army of the Ottoman Empire was one of the field army, field armies of the Ottoman Army. It was formed in the late 19th century during Ottoman military reforms. Order of battle, 1877 In 1877, it was stationed in what is now Bulgaria ...

* Second Army (Poland) *

Second Army (Romania) The Second Army was a field army of the Romanian Land Forces, created on 18 August 1916. History World War I The Second Army was part of the Romanian offensive in Transylvania during the autumn of 1916. Following the failure of the offensive ...

* Second Army (Serbia) *

Second Army (Turkey) The Second Army ( tr, 2. Ordu) of the Turkish Army has headquarters in Malatya. It protects Anatolia and it patrols the border with Syria, Iraq and Iran. Modern Turkish corps are referred to in TGS literature in Ottoman Turkish (1st) numerals. ...

* Second Army (United Kingdom) ** Second Army (Home Forces), also in the United Kingdom *

2nd Army (Kingdom of Yugoslavia) The 2nd Army ( sh-Latn, 2. armija) was a Royal Yugoslav Army formation commanded by ''Armijski đeneral'' Dragoslav Miljković that opposed the German-led Axis invasion of the Kingdom of Yugoslavia in April 1941 during World War II. It consisted ...

* Second United States Army

Germany

Russia / Soviet Union

Others

See also