38th Brigade may refer to:
Belarus 38th Separate Guards Air Assault Brigade, a unit of the Special Forces of Belarus
Canada 38 Canadian Brigade Group, a unit of the Canadian Army
India 38th Indian Infantry Brigade, a unit of the British Indian Army
Japan 38th Independent Mixed Brigade (Imperial Japanese Army)
Russia 38th Guards Communications Brigade, a unit of the Russian Airborne Forces 38th Separate Guards Motor Rifle Brigade
Ukraine 38th Marine Brigade (Ukraine)
United Kingdom 38th Brigade (United Kingdom) 38th (Irish) Brigade 38th Light Anti-Aircraft Brigade (United Kingdom) 38th Brigade, Royal Garrison Artillery
United States 38th Air Defense Artillery Brigade (United States) 38th Combat Aviation Brigade 38th Division Sustainment Brigade
See also 38th Division (disambiguation) 38th Regiment (disambiguation) 38th Wing (disambiguation) 38 Squadron (disambiguation)