18th Division or 18th Infantry Division may refer to:

Infantry divisions

18th Infantry Division (France) The 18th Infantry Division () was a French Army formation during World War I and World War II. World War 1 It commanded the 32nd, 66th and 77th Infantry Regiments for the entirety of the war, as well as the 135th Infantry regiment (until early 191 ...

18th Infantry Division (Wehrmacht) The German 18th Infantry Division was formed on 1 October 1934 as Infanterieführer III in Liegnitz and renamed ''18. Infanterie-Division'' on 15 October 1935. Mobilized in August 1939 it participated in the Invasion of Poland and in 1940 in th ...

, Germany *

18th Division (German Empire) The 18th Division (''18. Division'') was a unit of the Prussian/German Army. It was formed on October 11, 1866, and was headquartered in Flensburg. The division was subordinated in peacetime to the IX Army Corps (''IX. Armeekorps''). The divisi ...

18th Reserve Division (German Empire) The 18th Reserve Division (''18. Reserve-Division'') was a unit of the Imperial German Army in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded in 1919 during the demobilization o ...

* 18th Infantry Division (Greece) *

18th Division (Imperial Japanese Army) The was an infantry division of the Imperial Japanese Army. Its tsūshōgō code name was the . The 18th Division was one of two infantry divisions newly raised by the Imperial Japanese Army immediately after the Russo-Japanese War (1904–19 ...

* 18th Indian Division, a British Indian Army unit during World War I * 18th Division (North Korea) *

18th Infantry Division (Poland) The 18th Infantry Division ( pl, 18. Dywizja Piechoty) is a division of the Polish Armed Forces. The division was originally part of Polish Army during the interbellum period, which took part in the Polish September Campaign. Stationed in Łomża ...

18th Division (South Vietnam) The 18th Division was an infantry division in the III Corps of the Army of the Republic of Vietnam (ARVN). The U.S. Military Assistance Command Vietnam considered the 18th as undisciplined and it was well known throughout the ARVN for its "cowboy" ...

18th Guards Motor Rifle Division The 18th Guards Motor Rifle Division was formed originally as 133rd Rifle Division at Novosibirsk or Biysk in 1939. The division was part of 1st Shock Army on 1 December 1941 during the Battle of Moscow. It was redesignated as the 18th Guards ...

, Russia * 18th Rifle Division (Soviet Union) *

18th (Eastern) Division The 18th (Eastern) Division was an infantry division of the British Army formed in September 1914 during the First World War as part of the K2 Army Group, part of Lord Kitchener's New Armies. From its creation the division trained in England u ...

, a United Kingdom division in World War I *

18th Infantry Division (United Kingdom) The 18th Infantry Division was an infantry division of the British Army which fought briefly in the Malayan Campaign of the Second World War. In March 1939, after the re-emergence of Germany as a European power and its occupation of Czechoslov ...

, a World War II division *

39th Infantry Division (United States) The 39th Infantry Division (Delta Division) was an infantry formation of the Army National Guard, originally formed as the 18th Division in 1917. The division consisted of troops from Arkansas, Louisiana, and Mississippi. After training at Camp ...

, briefly designated the 18th Division during 1917 *

18th Infantry Division Messina 18 (eighteen) is the natural number following 17 and preceding 19. In mathematics * Eighteen is a composite number, its divisors being 1, 2, 3, 6 and 9. Three of these divisors (3, 6 and 9) add up to 18, hence 18 is a semiperfect number. ...

, an Italian unit in World War II

Cavalry divisions

18th Cavalry Division (Soviet Union) The 18th Mountain Cavalry Division was formed in 1936 by renaming the 7th ''Tadzhik'' Mountain Cavalry Division in the Central Asia Military District. Wartime Service 1941 At the beginning of war the division was one of the three Mountain Cavalry ...

Armoured divisions

18th Panzer Division (Wehrmacht) The 18th Panzer Division (german: 18. Panzer-Division) was a German World War II armoured division that fought on the Eastern Front from 1941 until its disbandment in 1943. Formation The 18th Panzer Division was formed on 26 October 1940 at ...

, Germany *

18th Tank Division (Soviet Union) 18 (eighteen) is the natural number following 17 and preceding 19. In mathematics * Eighteen is a composite number, its divisors being 1, 2, 3, 6 and 9. Three of these divisors (3, 6 and 9) add up to 18, hence 18 is a semiperfect number. ...

, part of the 7th Mechanized Corps in World War II

Artillery divisions

18th Artillery Division (Wehrmacht) The 18th Artillery Division (german: 18. Artillerie-Division) was a German artillery division formed during World War II in 1943. Being the first independent mobile artillery force it never raised to its planned strength. The division fought at t ...

, Germany *

18th Machine Gun Artillery Division The 18th Machine Gun Artillery Division is a division of the Russian Ground Forces stationed in the Sakhalin Oblast with administration over the Kuril Islands. It is currently deployed to Eastern Ukraine. First formation It was first formed as ...

, Soviet Union and Russia *

18th Artillery Division (Soviet Union) 18th Division or 18th Infantry Division may refer to: Infantry divisions * 18th Infantry Division (France) * 18th Infantry Division (Wehrmacht), Germany * 18th Division (German Empire) * 18th Reserve Division (German Empire) * 18th Infantry Divis ...

, part of the 42nd Army in World War II

Aviation divisions

18th Strategic Aerospace Division The 18th Strategic Aerospace Division is an inactive United States Air Force unit. Its last assignment was with the Fifteenth Air Force at Fairchild Air Force Base, Washington, where it was inactivated on 2 July 1968. History The 18th Composite ...

, United States {{mil-unit-dis