1st Division

1st Division may refer to:

Infantry divisions

 * 1st Division (Australia)
 * 1st Canadian Division
 * 1st Canadian Infantry Division
 * 1st Commonwealth Division
 * 1st Division (Colombia)
 * 1st Division (Estonia)
 * 1st Free French Division
 * 1st SS Division Leibstandarte SS Adolf Hitler
 * 1st Division (German Empire)
 * 1st Mountain Division (Wehrmacht)
 * 1st Mountain Division (Bundeswehr)
 * German 1st Naval Infantry Division
 * 1st Ski Division (Germany)
 * 1st Infantry Division (Wehrmacht)
 * 1st Infantry Division (Greece)
 * 1st (Peshawar) Division – British Indian Army before and during World War I
 * 1st Division (Imperial Japanese Army)
 * 1st Guards Division (Japan)
 * Infantry Division 1 Kostrad
 * 1 Alpine Division Taurinense
 * 1st Blackshirt Division (23 March)
 * 1 Mountain Infantry Division Superga
 * 1st Division (New Zealand)
 * 1st Division (North Korea)
 * 1st Infantry Division (Philippines)
 * Polish 1st Tadeusz Kościuszko Infantry Division
 * 1st Infantry Division (Romania)
 * 1st Legions Infantry Division (Poland)
 * 1st Grenadiers Division (Poland)
 * 1st Infantry Division (South Africa)
 * 1st Infantry Division (South Korea)
 * 1st Rifle Division (Soviet Union)
 * 1st Division (South Vietnam)
 * 1st Ukrainian Division of the Ukrainian National Army
 * 1st (African) Division
 * 1st Infantry Division (United Kingdom)
 * 1st Infantry Division (United States)
 * 1st Marine Division (United States)

Airborne divisions

 * 1st Parachute Division (Germany)
 * 1st Airborne Division (United Kingdom)
 * 1st Airmobile Division (Ukraine)

Cavalry divisions

 * 1st Light Cavalry Division (France)
 * 1st Foot Cavalry Division (France)
 * 1st Cavalry Division (German Empire)
 * 1st Cavalry Division (Reichswehr)
 * 1st Cavalry Division (Germany)
 * 1st Light Division (Germany)
 * 1st Indian Cavalry Division – British Indian Army during World War I
 * 1st Cavalry Division Eugenio di Savoia – Italian Army during World War II
 * 1st Cavalry Division (Polish)
 * 1st Guard Cavalry division (Russian Empire)
 * 1st Cavalry Division (Soviet Union)
 * 1st Cavalry Division (United Kingdom)
 * 1st Mounted Division (United Kingdom)
 * 1st Cavalry Division (United States)

Armoured divisions

 * 1st Armoured Division (Australia)
 * 5th Canadian (Armoured) Division or 1st Canadian Armoured Division
 * 1st Panzer Division (Wehrmacht)
 * 1st Panzer Division (Bundeswehr)
 * 1st Armored Division (People's Republic of China)
 * Fallschirm-Panzer Division 1 Hermann Göring
 * 1st Armored Division (France)
 * 1st Armoured Division (Germany)
 * 1st Armoured Division (India)
 * 1st Armoured Division (Poland)
 * 1st Armoured Division (United Kingdom)
 * 1st Armored Division (United States)

Aviation divisions

 * PLA-AF 1st Fighter Division

Sports

 * Cypriot First Division, Cypriot's top men's football division
 * Danish 1st Division
 * Football League First Division of the English football league system
 * Hong Kong First Division League
 * Scottish Football League First Division
 * First division (baseball)