4th Division

In military terms, 4th Division may refer to:

Infantry divisions

• 4th Division (Australia)
• 4th Infantry Division (Belgium), Belgian Army order of battle (1914)
• 4th Canadian Division
• 4th Division (People's Republic of China), Lanzhou Military Region
• 4th Division (Estonia)
• 4th Division (German Empire)
• 4th Division (Reichswehr)
• 4th Infantry Division (Wehrmacht)
• 4th Luftwaffe Field Division (Germany)
• 4th SS Polizei Panzergrenadier Division, Germany
• 4th Infantry Division (Greece)
• 4th Division (Japan)
• 4th Division (Imperial Japanese Army)
• 4th (Quetta) Division, British Indian Army
• 4th Infantry Division (India)
• 4th Division (Iraq)
• 4th Alpine Division Cuneense, Italy
• 4th Division (New Zealand)
• 4th Division (North Korea)
• 4th Division (Norway), participated in the Norwegian Campaign
• 4th Infantry Division (Philippines)
• 4th Infantry Division (Poland)
• 4th Infantry Division (Romania)
• 4th Rifle Division (Soviet Union)
• 4th Infantry Division (United Kingdom)
• 4th Infantry Division (United States)
• 4th Marine Division (United States)

Cavalry divisions

• 4th Cavalry Division (German Empire)
• 9th Panzer Division (Wehrmacht), originally the 4th Light Division
• 1st Indian Cavalry Division, designated 4th Cavalry Division from November 1916 to March 1918 in France in World War I
• 4th Cavalry Division (India), served from July 1918 in Palestine in World War I
• 4th Mounted Division, United Kingdom

Armour divisions

• 4th Canadian Division
• 4e Division cuirassée, France
• 4th Armoured Division (France)
• 4th Panzer Division (Wehrmacht)
• 4th Tank Division (Imperial Japanese Army)
• 4th Guards Kantemirovskaya Tank Division, Russia
• 4th Armoured Division (Syria)
• 4th Armored Division (United States)

Aviation divisions

• 4th Fighter Division (China)
• 4th Air Division, United States