List of numbered armies

This is a list of armies arranged by ordinal numeral.

First Army

 * First Allied Airborne Army
 * First Army (Australia)
 * First Army (Austria-Hungary)
 * First Army (Bulgaria)
 * First Canadian Army
 * New 1st Army (Republic of China)
 * 1st Army (Czechoslovakia)
 * First Army (France)
 * 1st Army (German Empire), a World War I field army
 * 1st Army (Wehrmacht), a World War II field army
 * 1st Panzer Army (Germany)
 * 1st Parachute Army (Germany)
 * First Army (Greece)
 * First Army (Hungary)
 * First Army (Italy)
 * First Army (Japan)
 * First Army (Ottoman Empire)
 * First Polish Army (1920)
 * First Polish Army (1944–45)
 * First Army (Romania)
 * 1st Army (Russian Empire)
 * First Army (Serbia)
 * 1st Red Banner Army (Soviet Union)
 * First Army (Turkey)
 * First Army (United Kingdom)
 * First United States Army
 * 1st Army (Kingdom of Yugoslavia)

Second Army

 * Second Army (Australia)
 * Second Army (Austria-Hungary)
 * Second Army (Bulgaria)
 * Second Army (Egypt)
 * Second Army (France)
 * 2nd Army (German Empire), a World War I field army
 * 2nd Army (Wehrmacht), a World War II field army
 * 2nd Panzer Army (Germany)
 * Second Army (Hungary)
 * Second Army (Italy)
 * Second Army (Japan)
 * Second Army (Ottoman Empire)
 * Second Army (Poland)
 * 2nd Army (Russian Empire)
 * Second Army (Serbia)
 * 2nd Red Banner Army (Soviet Union)
 * Second Army (Turkey)
 * Second United States Army
 * Second Army (United Kingdom)
 * 2nd Army (Kingdom of Yugoslavia)

Third Army

 * Third Army (Bulgaria)
 * Third Army (Egypt)
 * Third Army (France)
 * 3rd Army (German Empire), a World War I field army
 * 3rd Army (Wehrmacht), a World War II field army
 * 3rd Panzer Army (Germany)
 * 3rd Army (East Germany)
 * Third Army (Ottoman Empire)
 * Third Army (Italy)
 * Third Army (Romania)
 * Third Army (Serbia)
 * 3rd Army (Russian Empire)
 * 3rd Army (Soviet Union)
 * 3rd Guards Army (Soviet Union)
 * 3rd Guards Tank Army (Soviet Union)
 * 3rd Shock Army (Soviet Union)
 * 3rd Air Army (Soviet Union)
 * Third Army (Turkey)
 * Third Army (United Kingdom)
 * Third United States Army
 * 3rd Army (Kingdom of Yugoslavia)

Fourth Army

 * Fourth Army (Bulgaria)
 * Fourth Army (National Revolutionary Army) (Republic of China)
 * New Fourth Army (Republic of China)
 * Fourth Army (France)
 * 4th Army (German Empire), a World War I field army
 * 4th Army (Wehrmacht), a World War II field army
 * 4th Panzer Army (Germany)
 * Fourth Army (Ottoman Empire)
 * Fourth Army (Italy)
 * Fourth Army (Romania)
 * 4th Army (Russian Empire)
 * 4th Army (Soviet Union)
 * 4th Air Army (Soviet Union and later Russian Federation)
 * 4th Guards Army (Soviet Union)
 * 20th Guards Army (originally designated as "Fourth Tank Army") (Soviet Union)
 * Fourth Army (United Kingdom)
 * Fourth United States Army
 * 4th Army (Kingdom of Yugoslavia)

Fifth Army

 * Fifth Army (Austria-Hungary)
 * Fifth Army (Bulgaria)
 * Fifth Army (France)
 * 5th Army (German Empire), a World War I field army
 * 5th Army (Wehrmacht), a World War II field army
 * 5th Panzer Army (Germany)
 * Fifth Army (Japan)
 * Fifth Army (Ottoman Empire)
 * Fifth Army (Italy)
 * 5th Army (Russian Empire)
 * 5th Army (Soviet Union)
 * Fifth Army (United Kingdom)
 * Fifth United States Army, another name for United States Army North
 * 5th Army (Kingdom of Yugoslavia)

Sixth Army

 * Sixth Army (Austria-Hungary)
 * Sixth Army (France)
 * 6th Army (German Empire), a World War I field army
 * 6th Army (Wehrmacht), a World War II field army
 * 6th Panzer Army (Germany)
 * Sixth Army (Japan)
 * Sixth Army (Ottoman Empire)
 * Sixth Army (Italy)
 * 6th Army (Russian Empire)
 * 6th Army (Soviet Union)
 * Sixth United States Army
 * 6th Army (Kingdom of Yugoslavia)

Seventh Army

 * Seventh Army (France)
 * 7th Army (German Empire), a World War I field army
 * 7th Army (Wehrmacht), a World War II field army
 * Seventh Army (Ottoman Empire)
 * Seventh Army (Italy)
 * 7th Army (Russian Empire)
 * 7th Army (Soviet Union)
 * Seventh United States Army, another name for United States Army Europe
 * 7th Army (Kingdom of Yugoslavia)

Eighth Army

 * Eighth Route Army, 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
 * Eighth Army (Italy), 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)

Ninth Army

 * Ninth Army (France), a field army during World War I and World War II
 * 9th Army (German Empire), a World War I field army
 * 9th Army (Wehrmacht), a World War II field army
 * Ninth Army (Ottoman Empire), a World War I field army
 * Ninth Army (Italy)
 * 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), 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), a World War I field army
 * 10th Army (Wehrmacht), a World War II field army
 * Tenth Army (Japan)
 * Tenth Army (Italy)
 * 10th Army (Russian Empire)
 * 10th Army (Soviet Union)
 * Tenth Army (United Kingdom)
 * 10th Guards Army (Soviet Union)
 * Tenth United States Army

Eleventh Army

 * 11th Army (German Empire), a World War I field army
 * 11th Army (Wehrmacht), a World War II field army
 * 11th SS Panzer Army
 * Eleventh Army (Japan)
 * Eleventh Army (Italy)
 * 11th Air Army (Russia)
 * 11th Army (Russian Empire)
 * 11th Army (Soviet Union)
 * 11th Army Group (United Kingdom)

Twelfth Army

 * 12th Army (German Empire), a World War I field army
 * 12th Army (Wehrmacht), a World War II field army
 * Twelfth Army (Japan)
 * 12th Army (Russian Empire)
 * 12th Army (Soviet Union)
 * Twelfth Army (United Kingdom)
 * Twelfth Army (Italy)

Thirteenth Army

 * Thirteenth Army (Japan)
 * Japanese Thirteenth Area Army
 * 13th Army (Russian Empire)

Fourteenth Army

 * 14th Army (German Empire), a World War I field army
 * 14th Army (Wehrmacht), a World War II field army
 * Japanese Fourteenth Area Army
 * 14th Army (Soviet Union)
 * 14th Guards Army (Soviet Union)
 * Fourteenth Army (United Kingdom)
 * Fourteenth United States Army, a World War II 'phantom' force

Fifteenth Army

 * 15th Army (Wehrmacht), a formation of the German Army during World War II
 * Fifteenth Army (Japan), a formation of the Imperial Japanese Army during World War II
 * Japanese Fifteenth Area Army, a formation of the Imperial Japanese Army during World War II
 * 15th Army Group, 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

 * 16th Army (Wehrmacht), a unit of the German Army in World War II
 * 11th Guards Army (16th Army, Soviet Union), a unit of the Soviet Army from World War II through the Cold War
 * Western Army (Russia) (16th Soviet Army), a unit of the Soviet Army during World War I
 * 16th Army (People's Republic of China), a unit of People's Republic of China which still active right now.

Seventeenth Army

 * 17th Army (German Empire), a World War I field Army
 * 17th Army (Wehrmacht), 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)
 * 17th Army (Soviet Union)

Eighteenth Army

 * 18th Army (German Empire), a World War I field Army
 * 18th Army (Wehrmacht), a World War II field army
 * 18th Army (Soviet Union)
 * Eighteenth Army (Japan)

Nineteenth Army

 * 19th Army (German Empire), a World War I field Army
 * 19th Army (Wehrmacht), a World War II field army
 * Nineteenth Army (Japan)
 * 19th Army (Soviet Union)

Twentieth Army

 * Twentieth Army (Japan)
 * 20th Group Army - People's Liberation Army
 * 20th Guards Army - Soviet Union and Russia
 * 20th Army (Soviet Union)
 * 20th Mountain Army (Wehrmacht)

Twenty first Army

 * 21st Army (Wehrmacht)