34th Battalion may refer to:
Military units 34th Battalion (Australia), 1st Australian Imperial Force 34th Battalion (New Zealand) 34th Battalion, CEF, Canadian Expeditionary Force 34 Battalion (SWATF), South West Africa Territorial Force HDF 34th Bercsényi László Special Forces Battalion, Hungary 34th Battalion Virginia Cavalry
Other uses
See also 34th Brigade (disambiguation) 34th Division (disambiguation) 34th Regiment (disambiguation)