List of numbered armies
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This is a list of armies arranged by
ordinal number In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets. A finite set can be enumerated by successively labeling each element with the least n ...
.


First Army

* First Allied Airborne Army *
First Army (Australia) The First Australian Army was a field army of the Australian Army, during World War II. The formation's headquarters was raised in April 1942 from the existing 1st Australian Corps headquarters, assuming command of all Allied troops in Queen ...
*
First Army (Austria-Hungary) The 1st Army (german: k.u.k. 1. Armee) was a field army-level command in the ground forces of Austria-Hungary during World War I. The army fought in Galicia and Russian Poland in 1914–15 before being briefly dissolved in the summer of 1916. Shor ...
* First Army (Bulgaria) *
First Canadian Army The First Canadian Army (french: 1reArmée canadienne) was a field army and a formation of the Canadian Army in World War II in which most Canadian elements serving in North-West Europe were assigned. It served on the Western Front from July 1944 ...
* New 1st Army (Republic of China) * First Army (France) *
1st Army (German Empire) The 1st Army (german: 1. Armee / Armeeoberkommando 1 / A.O.K. 1) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 from the VIII Army Inspectorate. The army was dissolved on 17 Septembe ...
, a World War I field army *
1st Army (Wehrmacht) The 1st Army (german: 1. Armee) was a World War II field army. Combat chronicle 1939 The 1st Army was activated on 26 August 1939, in Wehrkreis XII with General Erwin von Witzleben in command. Its primary mission was to take defensive positions ...
, a World War II field army *
1st Panzer Army The 1st Panzer Army (german: 1. Panzerarmee) was a German tank army that was a large armoured formation of the Wehrmacht during World War II. When originally formed on 1 March 1940, the predecessor of the 1st Panzer Army was named Panzer Group ...
(Germany) *
1st Parachute Army (Germany) The German 1st Parachute Army (1. ''Fallschirm-Armee'') was formed in September, 1944, comprising 30,000 men. History Its first commander was Colonel General Kurt Student, the ''Wehrmacht''s airborne pioneer. During the Allied Operation Market ...
*
First Army (Greece) The Greek First Army (, ''Proti Stratia''), is the highest formation of the Hellenic Army and its only extant field army. Various English and German-language sources erroneously mention the existence of a First Army during the Greco-Italian War ...
*
First Army (Hungary) The Hungarian First Army was a field army of the Royal Hungarian Army that saw action during World War II. Commanders * Lieutenant-General Vilmos Nagy - March 1, 1940 – February 1, 1941 * Lieutenant-General István Schweitzer - February 1, ...
* First Army (Italy) * First Army (Japan) * First Army (Ottoman Empire) *
First Polish Army (1920) The First Army was a field army of the Polish Army that existed during the Polish–Soviet War. In March 1920 the Headquarters of the Army decided to disband the Front HQs active until then and reform them into separate armies. The largest of Po ...
*
First Polish Army (1944–45) First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and reco ...
* First Army (Romania) *
1st Army (Russian Empire) The 1st Army (russian: 1-я армия, translit=1А) was an army-level command of the Russian Imperial Army created during World War I. The First Army, commanded by General Paul von Rennenkampf, invaded East Prussia at the outbreak of war in 19 ...
* First Army (Serbia) *
1st Red Banner Army The 1st Red Banner Army () was a Red Army field army of World War II that served in the Soviet Far East. Before 1941 The 1st Army was created in July 1938 under the name of the 1st Coastal Army (or, depending on translation, 1st Maritime Army) i ...
(Soviet Union) * First Army (Turkey) * First Army (United Kingdom) * First United States Army *
1st Army (Kingdom of Yugoslavia) The 1st Army was a Royal Yugoslav Army formation commanded by ''Armijski đeneral'' Milan Rađenković during the German-led Axis invasion of the Kingdom of Yugoslavia in April 1941 during World War II. It consisted of one infantry division, on ...


Second Army

*
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 ...
* Second Army (Austria-Hungary) * Second Army (Bulgaria) * Second Army (Egypt) * Second Army (France) *
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 ...
(Germany) * 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) *
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 ...
* Second Army (Serbia) *
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 ...
(Soviet Union) *
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 United States Army * Second Army (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 ...


Third Army

*
Third Army (Bulgaria) The Bulgarian Third Army was a Bulgarian field army during the Balkan Wars, World War I, and World War II. Balkan Wars After 1907, during times of peace, the territory of Bulgaria was divided into three army inspectorates, each one comprising t ...
*
Third Army (Egypt) The Third Field Army is a field army of the Egyptian Army, with its headquarters in Suez. It is now part of the Unified Command of the area east of the canal (Egypt). On 31 January 2015 a "unified command" was established to oversee countert ...
* Third Army (France) *
3rd Army (German Empire) The 3rd Army (german: 3. Armee / Armeeoberkommando 3 / A.O.K. 3) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 seemingly from the II Army Inspectorate. The army was disbanded in 1919 ...
, a World War I field army *
3rd Army (Wehrmacht) The 3rd Army (german: 3. Armee) was a German field army that fought during World War II. Combat Chronicle The 3rd Army was activated on September 1, 1939, the day German forces invaded Poland. It was put under the command of General der Artil ...
, a World War II field army *
3rd Panzer Army The 3rd Panzer Army (german: 3. Panzerarmee) was a German armoured formation during World War II, formed from the 3rd Panzer Group on 1 January 1942. 3rd Panzer Group The 3rd Panzer Group (german: Panzergruppe 3) was formed on 16 November ...
(Germany) * Third Army (Ottoman Empire) *
Third Army (Italy) The 3rd Army ( it, 3ª Armata) was a World War I and World War II field army of the Royal Italian Army and the only army-level command of the Italian Army during the Cold War. World War I At the start of the participation of Italy in World War I ...
* Third Army (Romania) * Third Army (Serbia) *
3rd Army (Russian Empire) The Russian Third Army was a World War I Russian field army that fought on the Eastern Front (World War I), Eastern theatre of war. Field management was established in July 1914 at the headquarters of the Kiev Military District. The unit was disb ...
*
3rd Army (Soviet Union) The 3rd Army () was a field army of the Red Army during World War II. Polish Campaign The 3rd Army was formed on 15 September 1939 from the Vitebsk Group of Forces, part of the Belorussian Front, which had been formed four days earlier from the ...
*
Third Army (Turkey) The Turkish Third Army is a field army of the Turkish Army and is the country's largest army. History It traces its origins to 1923, but further back, the Ninth Army Troops Inspectorate was redesignated the Third Army Troops Inspectorate on 15 ...
* Third Army (United Kingdom) *
Third United States Army Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (disambiguation) * Third Avenue (disambiguation) * Hig ...
, another name for United States Army Central *
3rd Army (Kingdom of Yugoslavia) The 3rd Army was a Royal Yugoslav Army formation commanded by ''Armijski đeneral'' Ilija Brašić during the German-led Axis invasion of the Kingdom of Yugoslavia in April 1941 during World War II. It consisted of two reinforced infantry divisi ...


Fourth Army

*
Fourth Army (Bulgaria) The Bulgarian Fourth Army was a Bulgarian field army during the Balkan Wars, World War I, and World War II. The Balkan Wars (1912 - 13) Balkan War (1912 - 13) In anticipation of the Ottoman Empire counter-offensive, the Bulgarian command on ...
*
Fourth Army (National Revolutionary Army) The Fourth Army () was a combat command of the National Revolutionary Army involved in the Northern Expedition of the Chinese Civil War. The Fourth Army was commanded by CPC commander Ye Ting. Northern Expedition In September, 1925, Ye Ting was ...
(Republic of China) * New Fourth Army (Republic of China) * Fourth Army (France) *
4th Army (German Empire) The 4th Army (german: 4. Armee / Armeeoberkommando 4 / A.O.K. 4) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 from the VI Army Inspection. The army was disbanded in 1919 during demob ...
, a World War I field army *
4th Army (Wehrmacht) The 4th Army () was a field army of the Wehrmacht during World War II. Invasions of Poland and France The 4th Army was activated on 1 August 1939 with General Günther von Kluge in command. It took part in the Invasion of Poland of September 193 ...
, a World War II field army *
4th Panzer Army The 4th Panzer Army (german: 4. Panzerarmee) (operating as Panzer Group 4 (german: 4. Panzergruppe) from its formation on 15 February 1941 to 1 January 1942, when it was redesignated as a full army) was a German panzer formation during World War ...
(Germany) *
Fourth Army (Ottoman Empire) The Fourth Army of the Ottoman Empire ( Turkish: ''Dördüncü Ordu'') was one of the field armies of the Ottoman Army. It was formed in the middle nineteenth century, during Ottoman military reforms. The army did not survive the WWI battles in ...
*
Fourth Army (Italy) The 4th Army ( it, 4ª Armata) was a World War I and World War II field army of the Royal Italian Army. World War I During World War I, the 4th Army was positioned between the Asiago plateau and the Carnic Alps. During the Caporetto disaster, it ...
* Fourth Army (Romania) *
4th Army (Russian Empire) The Russian Fourth Army was a World War I Russian field army that fought on the Eastern Front. Composition At the beginning of the war, the army consisted of: *Field Office (HQ 4th Army) (formed on August 2, 1914 at the headquarters of the K ...
*
4th Army (Soviet Union) The 4th Army was a Soviet field army of World War II that served on the Eastern front of World War II and in the Caucasus during the Cold War. It was disbanded after the fall of the Soviet Union, with its divisions being withdrawn to Russia and d ...
*
4th Air Army Fourth or the fourth may refer to: * the ordinal form of the number 4 * ''Fourth'' (album), by Soft Machine, 1971 * Fourth (angle), an ancient astronomical subdivision * Fourth (music), a musical interval * ''The Fourth'' (1972 film), a Sovie ...
(Soviet Union and later Russian Federation) *
4th Guards Army The 4th Guards Army was an elite Guards field army of the Soviet Union during World War II and the early postwar era. History On April 16, 1943, the Supreme Command ordered the army to be established. On May 5, 1943, the army was formed on t ...
(Soviet Union) *
20th Guards Army The 20th Guards Combined Arms Army (originally designated as the 4th Tank Army, 4th Guards Tank Army in 1945, 4th Guards Mechanised Army in 1946, and the 20th Guards Army in 1960 within the Soviet Ground Forces) is a field army. In 1991, after th ...
(originally designated as "Fourth Tank Army") (Soviet Union) * Fourth Army (United Kingdom) * Fourth United States Army *
4th Army (Kingdom of Yugoslavia) The 4th Army was a Royal Yugoslav Army formation mobilised prior to the German-led Axis invasion of the Kingdom of Yugoslavia during World War II. It was drawn from the peacetime 4th Army District. When mobilised, it consisted of three divisi ...


Fifth Army

*
Fifth Army (Austria-Hungary) The Austro-Hungarian Fifth Army was an Austro-Hungarian field army that fought during World War I. Actions The Fifth Army was formed in 1914 as part of Austro-Hungarian mobilization following its declaration of war on Serbia and Russia. The F ...
*
Fifth Army (Bulgaria) The Bulgarian Fifth Army was a Bulgarian field army during the Second Balkan War and World War II. First Formation The Fifth Army was formed in May 1913 under the name of the ''First Reserve Army'', comprising two infantry divisions, the 12th ...
* Fifth Army (France) *
5th Army (German Empire) The 5th Army (german: 5. Armee / Armeeoberkommando 5 / A.O.K. 5) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 seemingly from the VII Army Inspection. The army was disbanded in 1919 ...
, a World War I field army *
5th Army (Wehrmacht) The 5th Army () was a field army of the Wehrmacht during World War II. History The 5th Army was established on 25 August 1939 in ''Wehrkreis'' VI with General Curt Liebmann in command. Responsible for the defense of the Siegfried Line in the vi ...
, a World War II field army *
5th Panzer Army 5th Panzer Army (german: 5. Panzerarmee) was the name of two different German armoured formations during World War II. The first of these was formed in 1942, during the North African campaign and surrendered to the Allies at Tunis in 1943. The a ...
(Germany) *
Fifth Army (Japan) The was an army of the Imperial Japanese Army based in Manchukuo from the Russo-Japanese War until the end of World War II. During World War II it was under the overall command of the Kwantung Army. History Russo-Japanese War The Japanese 5 ...
*
Fifth Army (Ottoman Empire) The Fifth Army of the Ottoman Empire or Turkish Fifth Army was formed on March 24, 1915, and dissolved on November 21, 1918. It was assigned the responsibility of defending the Dardanelles straits in World War I. The original commander of the arm ...
* Fifth Army (Italy) *
5th Army (Russian Empire) The Russian Fifth Army was a World War I Russian field army that fought on the Eastern theatre of war. Action The 5th Army saw action at the Battle of Rawa, (3–11 September 1914). Under the command of General Pavel Plehve, they advanced into a f ...
*
5th Army (Soviet Union) The 5th Combined Arms Red Banner Army (5-я общевойсковая армия) is a Russian Ground Forces formation in the Eastern Military District. It was formed in 1939, served during the Soviet invasion of Poland that year, and was depl ...
* Fifth Army (United Kingdom) *
Fifth United States Army Fifth is the ordinal form of the number five. Fifth or The Fifth may refer to: * Fifth Amendment to the United States Constitution, as in the expression "pleading the Fifth" * Fifth column, a political term * Fifth disease, a contagious rash that ...
, another name for United States Army North *
5th Army (Kingdom of Yugoslavia) The 5th Army was a Royal Yugoslav Army formation which commanded five divisions and two independent detachments during the German-led Axis invasion of the Kingdom of Yugoslavia in April 1941 during World War II. It was commanded by General Vlad ...


Sixth Army

*
Sixth Army (Austria-Hungary) The Austro-Hungarian Sixth Army was a field army of the Austro-Hungarian Army that fought during World War I as part of the Balkanstreitkräfte. Actions The Sixth Army was formed in 1914 and the Austro-Hungarian mobilization following its decla ...
*
Sixth Army (France) The Sixth Army (french: 6eme Armée) was a field army of the French Army during World War I and World War II. World War I The Sixth Army was formed 26 August 1914, composed of troops from various disparate French armies: two active army corps, th ...
* 6th Army (German Empire), a World War I field army * 6th Army (Wehrmacht), a World War II field army *
6th Panzer Army The 6th Panzer Army (german: 6. Panzerarmee) was a formation of the German Army, formed in the autumn of 1944. The 6th Panzer Army was first used as an offensive force during the Battle of the Bulge, in which it operated as the northernmost element ...
(Germany) *
Sixth Army (Japan) Japanese armies, 06 Military units and formations established in 1939 Military units and formations disestablished in 1945 ...
*
Sixth Army (Ottoman Empire) The Sixth Army of the Ottoman Empire (Turkish: ''Altıncı Ordu'') was one of the field armies of the Ottoman Army. It was formed in the middle 19th century during Ottoman military reforms. Formations Order of Battle, 1877 In 1877, it was stat ...
*
Sixth Army (Italy) The 6th Army was a field army of the Royal Italian Army which was formed in World War I and World War II. World War I The Sixth Army was first formed on 1 December 1916 under command of Ettore Mambretti. This Army was created primarily from the F ...
* 6th Army (Russian Empire) *
6th Army (Soviet Union) The 6th Army is a field army of the Red Army and the Soviet Army that was active with the Russian Ground Forces until 1998. It appears to have been reformed in 2010 as the 6th Combined Arms Army. It was first formed in August, 1939 in the Kiev Sp ...
* Sixth United States Army *
6th Army (Kingdom of Yugoslavia) The 6th Army was a Royal Yugoslav Army formation which commanded six Division (military), divisions during the Nazi Germany, German-led Axis Powers, Axis invasion of Yugoslavia, invasion of the Kingdom of Yugoslavia in April 1941 during World War II ...


Seventh Army

* Seventh Army (France) *
7th Army (German Empire) The 7th Army (german: 7. Armee / Armeeoberkommando 7 / A.O.K. 7) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 from the II Army Inspection. The army was disbanded in 1919 during demo ...
, a World War I field army * 7th Army (Wehrmacht), a World War II field army *
Seventh Army (Ottoman Empire) The Ottoman Seventh Army was a large military formation of the Ottoman Empire in the late 19th and early 20th centuries. Although designated as an army, at least by 1918, it was only of corps strength. The Seventh Army was established in 1877 f ...
*
Seventh Army (Italy) The 7th Army ( it, 7ª Armata) was a World War I and World War II field army of the Royal Italian Army. World War I After the disastrous defeat at Caporetto (November 1917) the Italian Army was completely reorganized by Armando Diaz and the new ...
* 7th Army (Russian Empire) * 7th Army (Soviet Union) *
Seventh United States Army The Seventh Army was a United States army created during World War II that evolved into the United States Army Europe (USAREUR) during the 1950s and 1960s. It served in North Africa and Italy in the Mediterranean Theater of Operations and Fran ...
, another name for United States Army Europe *
7th Army (Kingdom of Yugoslavia) The 7th Army was a Royal Yugoslav Army formation raised prior to the German-led Axis invasion of Yugoslavia in April 1941, during World War II. It consisted of two divisions, two brigade-strength mountain detachments, and a brigade-strength ...


Eighth Army

{{main, Eighth Army (disambiguation) *
Eighth Route Army The Eighth Route Army (), officially known as the 18th Group Army of the National Revolutionary Army of the Republic of China, was a group army under the command of the Chinese Communist Party, nominally within the structure of the Chinese ...
, a Chinese Communist force that fought against the Japanese during World War II * Eighth Army (France) * 8th Army (German Empire), a World War I field army * 8th Army (Wehrmacht), a World War II field army * Japanese Eighth Area Army *
Ottoman Eighth Army The Eighth Army of the Ottoman Empire ( Turkish: ''Sekizinci Ordu'') was one of the field armies of the Ottoman Army. It was established during World War I. World War I In June 1917, Enver Paşa activated the Yildirim Army Group (also known a ...
*
Eighth Army (Italy) The 8th Army ( it, 8ª Armata) was a field army of the Royal Italian Army, which fought in World War I and on the Eastern Front during World War II. World War I After the disastrous defeat at Caporetto (November 1917) the Italian Army was complet ...
, during World War II another name for the ''Italian Army in Russia'' * Eighth Army (United Kingdom) * Eighth United States Army * 8th Army (Russian Empire) * 8th Army (Soviet Union) *
8th Guards Army (Russia) The 8th Guards Order of Lenin Combined Arms Army (abbreviated 8th CAA) is an army of the Russian Ground Forces, headquartered in Novocherkassk, Rostov Oblast, within Russia′s Southern Military District, that was reinstated in 2017 as a successor ...


Ninth Army

* Ninth Army (France), a field army during World War I and World War II *
9th Army (German Empire) The 9th Army (german: 9. Armee / Armeeoberkommando 9 / A.O.K. 9) was an army level command of the German Army in World War I. It was formed in September 1914 in Breslau to command troops on the southern sector of the Eastern Front. The army ...
, a World War I field army *
9th Army (Wehrmacht) The 9th Army (german: 9. Armee) was a World War II field army. It was activated on 15 May 1940 with General Johannes Blaskowitz in command. History 1940 The 9th Army first saw service along the Siegfried Line during its involvement in the invas ...
, a World War II field army * Ninth Army (Ottoman Empire), a World War I field army *
Ninth Army (Italy) The 9th Army ( it, 9ª Armata) was a World War I and World War II field army of the Royal Italian Army. World War I After the Battle of Caporetto (November 1917) the Italian Army was completely reorganized by Armando Diaz. The new 9th Italian ...
* 9th Army (Russian Empire), a World War I field army * 9th Army (Soviet Union), a field army active from 1939–43 and then after the war from 1966-1989 *
Ninth Army (United Kingdom) The Ninth Army was a field army formation of the British Army during the Second World War, formed on 1 November 1941 by the renaming of Headquarters, British Troops Palestine and Transjordan. The Ninth Army controlled British and Commonwealth land ...
, a British Army formation during World War II * Ninth United States Army, used in Northwest Europe in 1944 and 1945


Tenth Army

* Tenth Army (France) *
10th Army (German Empire) The 10th Army (german: 10. Armee / Armeeoberkommando 10 / A.O.K. 10) was an army level command of the German Army in World War I formed in January 1915 in Cologne. It served exclusively on the Eastern Front. It was dissolved on 6 January 1919 ...
, a World War I field army *
10th Army (Wehrmacht) The 10th Army () was a World War II field army of (Germany). A new 10th Army was activated in 1943 as part of Adolf Hitler's last stand, who saw action notably in late 1943 and early 1944 along the "Winter Line" at the Battle of San Pietro In ...
, a World War II field army * Tenth Army (Japan) *
Tenth Army (Italy) The 10th Army ( it, 10ª Armata) was a field army of the Royal Italian Army, which fought in World War I and in Italian North Africa during World War II. World War I Formation After the Battle of Caporetto (November 1917) the Italian Army (Regio ...
*
10th Army (Russian Empire) The 10th Army () was a field army of the Imperial Russian Army during the First World War. History The 10th Army was formed on from reserve units of the Stavka of the Commander-in-Chief, part of the Northwestern Front, and initially included ...
*
10th Army (Soviet Union) The 10th Army of the Soviet Union's Red Army was a field army active from 1939 to 1944. History The Army was formed in September 1939, in the Moscow Military District, and then deployed to the Western Special Military District. During the Soviet ...
*
Tenth Army (United Kingdom) The Tenth Army was a field army of the British Army during the Second World War created in Iraq and formed from the major part of "Paiforce" (Persia and Iraq Force). It was active in 1942 and 1943, and then disbanded. In April 1941, British an ...
*
10th Guards Army (Soviet Union) The 10th Guards Army was a Soviet Guards formation which fought against Germany during World War II under the command of several generals. Formed in 1943, the army fought under various headquarters and ended the war besieging cut-off German force ...
* Tenth United States Army


Eleventh Army

*
11th Army (German Empire) The 11th Army (german: 11. Armee / Armeeoberkommando 11 / A.O.K. 11) was an army level command of the German Army in World War I. It was formed in March 1915 in Kassel originally to serve on the Western Front but was transported to Galicia fo ...
, a World War I field army *
11th Army (Wehrmacht) The 11th Army (german: 11. Armee) was a World War II field army. History The 11th Army was established on 5 October 1940 as "Kommandostab Leipzig", but changed its designation to Kommandostab München on 23 April 1941. It was restructured int ...
, a World War II field army *
11th SS Panzer Army __NOTOC__ The 11th SS Panzer Army (''SS-Panzer-Armeeoberkommando 11'') was not much more than a paper army formed in February 1945 by Heinrich Himmler while he was commander of Army Group Vistula. The military historian Antony Beevor wrote that wh ...
* Eleventh Army (Japan) *
Eleventh Army (Italy) The 11th Army ( it, 11ª Armata) was a World War II field army of the Royal Italian Army. It was formed in November 1940 for service in the Greco-Italian War, and after the German invasion of Greece and the capitulation of that country in April 194 ...
*
11th Air Army 11 (eleven) is the natural number following 10 and preceding 12. It is the first repdigit. In English, it is the smallest positive integer whose name has three syllables. Name "Eleven" derives from the Old English ', which is first attested i ...
(Russia) *
11th Army (Russian Empire) The Russian 11th Army was a World War I Russian field army that fought on the Eastern theatre of war. Field management was established in October 1914. The unit fought on the Southwestern Front during the entire war. Commanders * 21.10.1914 – ...
*
11th Army (Soviet Union) The 11th Army was an army of the Red Army, formed four times. The first formation was a unit of the then newly created Soviet armed forces. It was formed by the Bolsheviks on October 3, 1918, from the Red Northern Caucasus Army. In February 1919 ...
*
11th Army Group The 11th Army Group was the main British Army force in Southeast Asia during the Second World War. Although a nominally British formation, it also included large numbers of troops and formations from the British Indian Army and from British African ...
(United Kingdom)


Twelfth Army

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12th Army (German Empire) The 12th Army (german: 12. Armee / Armeeoberkommando 12 / A.O.K. 12) was an army level command of the German Army in World War I formed in August 1915 by the redesignation of Gallwitz. It served exclusively on the Eastern Front and was diss ...
, a World War I field army *
12th Army (Wehrmacht) The 12th Army (German: ''12. Armee'') was a World War II field army of the Wehrmacht. History The 12th Army was activated on October 13, 1939, with General Wilhelm List in command. First seeing defensive action along the Siegfried Line, the army ...
, a World War II field army * Twelfth Army (Japan) *
12th Army (Russian Empire) The 12th Army was a field army of the Imperial Russian Army during World War I that fought on the Eastern Front. Its field headquarters was established in January 1915. In August 1915, the entire staff of the 12th Army was replaced by that of th ...
*
12th Army (Soviet Union) The 12th Army was a field army of the Red Army formed multiple times during the Russian Civil War and World War II. Civil War & Polish-Soviet War The 12th Army (Russian Civil War 1st Formation) of the Soviet Red Army was first formed from Sovi ...
*
Twelfth Army (United Kingdom) The Twelfth Army was a British Army formation during the World War II, Second World War. The Twelfth Army denotation was actually used twice; firstly, in 1943, for a fictional formation and secondly, in 1945, in Burma. The Twelfth Army moniker wa ...
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Twelfth Army (Italy) The Italian Twelfth Army was a French-Italian Army which fought in World War I in the Battle of Vittorio Veneto. World War I After the disastrous defeat at Caporetto (November 1917) the Italian Army was completely reorganized by Armando Diaz and ...


Thirteenth Army

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Thirteenth Army (Japan) , image= , caption= , dates= September 23, 1939 - August 15, 1945 , country= Empire of Japan , allegiance= , branch= Imperial Japanese Army , type= Infantry , role= Corps , garrison=Shanghai , nickname= , battles= , not ...
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Japanese Thirteenth Area Army The was a field army of the Imperial Japanese Army during the final stages of World War II. History The Japanese 13th Area Army was formed on 1945-02-01 under the Japanese First General Army as part of the last desperate defense effort by t ...
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13th Army (Russian Empire) The 13th Army was a field army of the Imperial Russian Army during World War I. The headquarters of the 13th Army was formed on 16 May 1915. The Army served as a link between the Northwestern and Southwestern fronts. When in August 1915, the N ...


Fourteenth Army

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14th Army (German Empire) The 14th Army (german: 14. Armee / Armeeoberkommando 14 / A.O.K. 14) was an army level command of the German Army in World War I formed in September 1917 in Krainburg for use against Italy. Its headquarters was located at Vittorio Veneto from ...
, a World War I field army *
14th Army (Wehrmacht) The 14th Army (german: 14. Armee) was a World War II field army of the German Army. History Poland The 14th Army was activated on 1 August 1939 with General Wilhelm List in command and saw service in Poland until the end of the Polish campaign on ...
, a World War II field army *
Japanese Fourteenth Area Army The was a field army of the Imperial Japanese Army (IJA) during World War II. It was originally the 14th Army, formed on November 6, 1941 for the upcoming invasion of the Philippines. It was reorganized in the Philippines on July 28, 1944, wh ...
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14th Army (Soviet Union) The 14th Army was a field army of the Soviet Army, formed twice. The army was first formed during the Winter War, in which two of its divisions fought in the Battle of Petsamo. After Operation Barbarossa, the army fought against German and Finn ...
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14th Guards Army The 14th Guards Army () was a field army of the Red Army, the Soviet Ground Forces, and the Russian Ground Forces, active from 1956 to 1995. According to sources within the 14th Army, the majority of its troops came from the Pridnestrovian Moldavia ...
(Soviet Union) * Fourteenth Army (United Kingdom) * Fourteenth United States Army, a World War II 'phantom' force


Fifteenth Army

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15th Army (Wehrmacht) The 15th Army (German: 15. ''Armee'') was a field army of the German army in World War II. History The 15th Army was activated in occupied France on 15 January 1941 with General Curt Haase in command. It was tasked with occupation and defensiv ...
, a formation of the German Army during World War II *
Fifteenth Army (Japan) The was an army of the Imperial Japanese Army during World War II. It was involved in the invasion of Burma in December 1941 and served in that country for most of its war service. History The Japanese 15th Army was formed on November 9, 1941 ...
, a formation of the Imperial Japanese Army during World War II *
Japanese Fifteenth Area Army The was a field army of the Imperial Japanese Army during the closing stages of World War II. History The Japanese 15th Area Army was formed on February 1, 1945 under the General Defense Command as part of the last desperate defense effort by t ...
, a formation of the Imperial Japanese Army during World War II *
15th Army Group The 15th Army Group was an Army Group in World War II, composed of the British Eighth and the U.S. Fifth Armies, which apart from troops from the British Empire and U.S.A., also had whole units from other allied countries/regions; like two of t ...
, a combined formation of the United Kingdom and United States armies during World War II * Fifteenth United States Army, a formation of the United States Army during World War II


Sixteenth Army

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16th Army (Wehrmacht) The 16th Army (german: 16. Armee) was a World War II field army of the Wehrmacht. History It took part in the Battle of France. It was then deployed with Army Group North during Operation Barbarossa, the German invasion of the Soviet Union. It f ...
, a unit of the German Army in World War II *
11th Guards Army The 11th Guards Army () was a field army of the Red Army, the Soviet Ground Forces, and the Russian Ground Forces, active from 1943 to 1997. History World War II For its prowess in battle, the second formation of the 16th Army was redesignat ...
(16th Army, Soviet Union), a unit of the Soviet Army from World War II through the Cold War *
Western Army (Russia) The 16th Army was a field army of the Red Army during the Russian Civil War era. It was originally formed as the Western Army (russian: Западная Армия) on November 15, 1918, by the Russian SFSR for the purpose of recovering territorie ...
(16th Soviet Army), a unit of the Soviet Army during World War I *
16th Army (People's Republic of China) The 78th Group Army (), is a military formation of the Chinese People's Liberation Army Ground Forces (PLAGF). The 78th Group Army is one of twelve total group armies of the PLAGF, the largest echelon of ground forces in the People's Republic of ...
, a unit of People's Republic of China which still active right now.


Seventeenth Army

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17th Army (German Empire) The 17th Army (german: 17. Armee / Armeeoberkommando 17 / A.O.K. 17) was an army-level command of the German Army in World War I. It was formed in France on 1 February 1918 from the former 14th Army command. It served exclusively on the Wester ...
, a World War I field Army *
17th Army (Wehrmacht) The German Seventeenth Army () was a field army of Nazi Germany during World War II. Operation Barbarossa On 22 June 1941, the 17th Army was part of Army Group South when Nazi Germany launched Operation Barbarossa and invaded the Soviet Union. F ...
, a World War II field army * Seventeenth Army (Japan) * Japanese Seventeenth Area Army during World War II (see
List of Armies of the Japanese Army The term in the Imperial Japanese Army was used in a different ways to designate a variety of large military formations, corresponding to the army group, field army and corps in the militaries of western nations. General Armies The was the hi ...
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17th Army (Soviet Union) The 17th Army of the Red Army was a Soviet field army. Formed in 1940, the army served in the Soviet Far East during World War II and fought in the Soviet invasion of Manchuria in August 1945. It was disbanded postwar in mid-1946. History The 17 ...


Eighteenth Army

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18th Army (German Empire) The 18th Army (german: 18. Armee / Armeeoberkommando 18 / A.O.K. 18) was an army level command of the German Army in World War I. It was formed against France on 27 December 1917 from the former Heeresgruppe Woyrsch command. It served exclusi ...
, a World War I field Army *
18th Army (Wehrmacht) The 18th Army (German: ''18. Armee'') was a World War II field army in the German ''Wehrmacht''. Formed in November 1939 in Military Region (''Wehrkreis'') VI, the 18th Army was part of the offensive into the Netherlands (Battle of the Netherlan ...
, a World War II field army *
18th Army (Soviet Union) The 18th Army of the Soviet Union's Red Army was formed on 21 June 1941 on the basis of HQ Kharkov Military District and armies of the Kiev Special Military District. The Army's commander in 1941 was General-Lieutenant Andrey Smirnov. The Army c ...
* Eighteenth Army (Japan)


Nineteenth Army

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19th Army (German Empire) The 19th Army (german: 19. Armee / Armeeoberkommando 19 / A.O.K. 19) was an army level command of the German Army in World War I. It was formed in France on 4 February 1918 from the former South Army command. It served exclusively on the West ...
, a World War I field Army *
19th Army (Wehrmacht) The 19th Army (German: ''19. Armee'') was a World War II field army of the German Army. History Formed in August 1943 in occupied southern France from ''Armeegruppe Felber'' (the '' LXXXIII. Armeekorps''), the 19th Army defended southern France ...
, a World War II field army *
Nineteenth Army (Japan) The was an army of the Imperial Japanese Army during the final days of World War II. History The Japanese 19th Army was created on December 19, 1942 and assigned as a garrison force for the eastern portion of Japanese-occupied Netherlands East ...
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19th Army (Soviet Union) The 19th Army was a field army of the Soviet Union's Red Army, formed in 1941 and active during the Second World War. The army was formed three times, although only two of its formations saw combat. Its third formation was disbanded in June 1945 ...


Twentieth Army

* Twentieth Army (Japan) *
20th Group Army The 20th Group Army is a military formation of the People's Liberation Army Ground Force, stationed in the Jinan Military Region. It consists of two manoeuvre brigades with other attached or otherwise organic units. For some time after its format ...
- People's Liberation Army *
20th Guards Army The 20th Guards Combined Arms Army (originally designated as the 4th Tank Army, 4th Guards Tank Army in 1945, 4th Guards Mechanised Army in 1946, and the 20th Guards Army in 1960 within the Soviet Ground Forces) is a field army. In 1991, after th ...
- Soviet Union and Russia *
20th Army (Soviet Union) The 20th Army was a field army of the Red Army that fought on the Eastern Front (World War II), Eastern Front during World War II. First formation The Army was first formed in the Orel Military District in June 1941. On 22 June 1941 the Army was p ...
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20th Mountain Army (Wehrmacht) The German Lapland Army (''AOK Lappland'') was one of the two army echelon headquarters controlling German troops in the far north of Norway and Finland during World War II. It was established in January 1942, and renamed the 20th Mountain Army ('' ...


Twenty first Army

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21st Army (Wehrmacht) The 21st Army was a German field army in World War II. On 27 April 1945, towards the end of the war in Europe, the 21st Army was formed from Headquarters, 4th Army as part of Army Group Vistula Army Group Vistula () was an Army Group of the ...


See also

* List of armies *
List of countries by number of military and paramilitary personnel This is a list of countries by number of military and paramilitary personnel. It includes any government-sponsored soldiers used to further the domestic and foreign policies of their respective government. The term "country" is used in its most ...
Numbered armies *