5th Brigade may refer to:
Australia 5th Light Horse Brigade 5th Brigade (Australia) 5th Motor Brigade
Belarus 5th Spetsnaz Brigade
British India 5th (Jhelum) Brigade 5th (Mhow) Cavalry Brigade 5th (Secunderabad) Cavalry Brigade
Canada 5th Canadian Infantry Brigade 5 Canadian Mechanized Brigade Group
China 5th Armoured Brigade (People's Republic of China)
Croatia 5th Guards Brigade (Croatia)
Germany 5th Guards Infantry Brigade (German Empire)
Greece 5th Airmobile Brigade
India 5th Indian Infantry Brigade
Japan 5th Brigade (Japan)
Lebanon 5th Infantry Brigade (Lebanon)
New Zealand 5th Infantry Brigade (New Zealand)
Poland Home Army 5th Wilno Brigade
Russia 5th Anti-Aircraft Missile Brigade 5th Guards Tank Brigade 5th Separate Guards Motor Rifle Brigade, also known as the Oplot Brigade
Soviet Union 5th Anti-Aircraft Missile Brigade 138th Separate Tank Regiment, originally the 5th Separate Tank Brigade 5th Spetsnaz Brigade
South Africa 5th Infantry Brigade (South Africa)
South Korea 5th Armored Brigade (South Korea)
Ukraine 5th Assault Brigade (Ukraine) 5th Heavy Mechanized Brigade 5th Mechanized Brigade (Ukraine) 5th Slobozhanska Brigade
United Kingdom 5th Anti-Aircraft Brigade (United Kingdom) 5th Cavalry Brigade (United Kingdom) 5th Infantry Brigade (United Kingdom) 5th Guards Armoured Brigade 5th Mounted Brigade (disambiguation) 5th Parachute Brigade (United Kingdom) 5th Provisional Brigade 5th Reserve Brigade 5th Searchlight Brigade Artillery units 5th Brigade Royal Field Artillery 5th Brigade, North Irish Division, Royal Artillery 5th Brigade, South Irish Division, Royal Artillery 5th Brigade, Scottish Division, Royal Artillery 5th Brigade, Welsh Division, Royal Artillery 5th County of London Brigade, Royal Field Artillery 5th (Highland) Medium Brigade, Royal Garrison Artillery V Brigade, Royal Horse Artillery
United States 5th Armored Brigade (United States) 5th Marine Expeditionary Brigade 5th Medical Brigade 5th Reserve Officers' Training Corps Brigade 5th Security Force Assistance Brigade 5th Brigade, 78th Division 5th Stryker Combat Brigade, 2nd Infantry Division
Yugoslavia 5th Krajina (Kozara) Assault Brigade
Zimbabwe 5th Brigade (Zimbabwe)
See also 5th Division (disambiguation) 5th Regiment (disambiguation)