Infantry divisions

• 4th Division (Australia)
• 4th Canadian Division
  4th Canadian Division
  The Canadian Corps - 4th Canadian Division – World War I:The 4th Canadian Division was formed in the Britain in April 1916 from several existing units and others scheduled to arrive shortly thereafter. Under the command of Major-General David Watson, the Division embarked for France in August of...
  
  
• 4th Infantry Division (France)
• 4th Moroccan Mountain Division (France)
• German 4th Luftwaffe Field Division
• 4th SS Polizei Division
  4th SS Polizei Division
  The SS Polizei Division was one of the thirty-eight divisions fielded as part of the Waffen-SS during World War II.The division was formed in 1939 as part of the Ordnungspolizei...
  
   (Germany)
• 4th Division (Imperial Japanese Army)
  4th Division (Imperial Japanese Army)
  The was an infantry division in the Imperial Japanese Army. Its call-sign was .-History:The 4th Infantry Division was formed in Osaka City in January 1871 as the , one of six regional commands created in the fledgling Imperial Japanese Army...
  
  
• Indian 4th Infantry Division
  Indian 4th Infantry Division
  The Indian 4th Infantry Division, also known as the Red Eagle Division, is an infantry division of the Indian Army.The division was formed in Egypt in 1939 and was the first Indian formation to go overseas during the Second World War. As with all formations in the Indian Army prior to independence,...
  
  
• 4th Division (Iraq)
  4th Division (Iraq)
  The 4th Division is a infantry formation of the Iraqi Army. It was formed before 1941, disbanded in 2003, but reactivated after 2004.It was one of the four original divisions of the Iraqi Army, being active in 1941. At the beginning of the Anglo-Iraqi War it was in Al Diwaniyah on the main rail...
  
  
• 4 Alpine Division Cuneense (Italy)
• 4th Division (North Korea)
  4th Division (North Korea)
  -History:The 4th Infantry Division was a military formation of the Korean People's Army during the 20th Century.Activated in late 1948, the 4th Infantry Division in the summer of 1950 consisted of the 5th, 16th, and 18th Infantry regiments, plus an artillery regiment and antitank, self-propelled...
  
  
• 4th Infantry (Diamond) Division (Philippines)
• Polish 4th Infantry Division
• 4th Infantry Division (Romania)
  4th Infantry Division (Romania)
  The 4th Infantry Division Gemina is one of three major units of the Romanian Land Forces, with its headquarters in Cluj-Napoca. Until June 15, 2008 it was designated as the 4th Territorial Army Corps "Mareşal Constantin Prezan" .-Structure in April 2007 :This structure was in force when the...
  
  
• 4th Guards Kantemirovskaya Tank Division
  4th Guards Kantemirovskaya Tank Division
  The 4th Guards "Kantemirovskaya" Tank Division , more usually known as the Kantemirovskaya Division or Kantemir Division, is an elite armoured division of the Russian Ground Forces...
  
   (Russia)
• 4th Rifle Division (Soviet Union)
  4th Rifle Division (Soviet Union)
  The 4th Rifle Division was an infantry division of the Soviet Union's Red Army active from 1921 to 1946.The Division was activated 1919 near Petrograd during the Russian Civil War, and fought on the western front of that war and in the Soviet-Polish War. Until 1923 its headquarters was at Minsk...
  
  
• British 4th Infantry Division
  British 4th Infantry Division
  The 4th Infantry Division is a regular British Army division with a long history having been present at the Peninsular War the Crimean War , the First World War , and during the Second World War.- Napoleonic Wars :...
  
  
• 4th Infantry Division (United States)
• U.S. 4th Marine Division
  U.S. 4th Marine Division
  The 4th Marine Division is a reserve division in the United States Marine Corps. It is the ground combat element of the Marine Forces Reserve and is headquartered in New Orleans, Louisiana and has units throughout the United States.-Mission:...
  
  

Cavalry divisions

• British 4th Cavalry Division
• 9th Panzer Division (Germany) (originally the 4th Light Division)
• 4th Cavalry Division (Soviet Union)

Armour divisions

• Canadian 4th Armoured Division
• 4th Reserve Cuirassed Division (France)
• 4th Armoured Division (France) (to 1984)
• German 4th Panzer Division
  German 4th Panzer Division
  The German 4th Panzer Division was established in 1938. It participated in the 1939 invasion of Poland, the 1940 invasion of France, and the 1941 invasion of the Soviet Union. It remained on the Eastern Front, mainly under Army Group Centre, until it was trapped on the coast at Courland in the...
  
  
• 4th Armored Division (United States)

Aviation divisions

• PLA-AF 4th Fighter Division
  PLA-AF 4th Fighter Division
  The 4th Fighter Division is a unit of the Chinese People's Liberation Army Air Force . Initially established in 1950, it was soon redesignated 1st Fighter Division. It was reestablished in 1956. It is headquartered at Liaoyang, Liaoning Province, in the Shenyang Military Region. The 4th Fighter...
  
   (China)
• 4th Air Division (United States)