46th Brigade may refer to:
Bangladesh 46th Independent Infantry Brigade
British India 46th Indian Infantry Brigade
Russia/Soviet Union 46th Radio-Technical Brigade
Ukraine 46th Airmobile Brigade (Ukraine)
United Kingdom 46th Infantry Brigade (United Kingdom)
United States 46th Brigade, 38th Infantry Division of the Michigan Army National Guard
See also 46th Division (disambiguation) 46th Regiment (disambiguation) 46th Squadron (disambiguation)