211th may refer to:
211th Battalion (American Legion), CEF, a unit in the Canadian Expeditionary Force during the First World War 211th Military Police Battalion, a unit of the Massachusetts Army National Guard 211th Rescue Squadron, a unit of the Alaska Air National Guard that flies the HC-130 Hercules 211th (Wessex) Field Hospital, a hospital unit of the British Army 1967–1996
See also 211th Street/Lincoln Highway station, a commuter rail station on the Metra Electric line in Park Forest, Illinois 211 (number) 211, the year 211 (CCXI) of the Julian calendar