4th Infantry Brigade may refer to:
United Kingdom 4th Infantry Brigade (United Kingdom), a unit of the British 2nd Infantry Division in World War II 4th London Infantry Brigade
Others 4th Brigade (Australia), an Australian Army Reserve formation stationed in Victoria 4th Light Horse Brigade, an Australian mounted infantry formation in World War I 4th Infantry Brigade (Canada), a unit of the 2nd Canadian Division in World War I 4th Infantry Brigade (Greece) 4th Indian Infantry Brigade 4th Infantry Brigade (New Zealand), a unit of the New Zealand Division in World War I 4th Infantry Brigade (South Africa)
See also 4th Brigade (disambiguation) 4th Infantry Regiment (disambiguation) 4th Infantry Division (disambiguation)