128th

128th may refer to:


 * 128th (Moose Jaw) Battalion, CEF, a unit in the Canadian Expeditionary Force during the First World War
 * 128th Air Refueling Wing, an Air Mobility Command unit of the Wisconsin Air National Guard
 * 128th Airborne Command and Control Squadron, a unit of the Georgia Air National Guard that flies the E-8C Joint STARS
 * 128th Delaware General Assembly, a meeting of the Delaware Senate and the Delaware House of Representatives
 * 128th Illinois Volunteer Infantry Regiment, an infantry regiment that served in the Union Army during the American Civil War
 * 128th Infantry Brigade (United Kingdom), a 1st Line Territorial Army brigade of the British Army during the Second World War
 * 128th Infantry Regiment (United States), a United States military unit of the Wisconsin National Guard
 * 128th meridian east, a line of longitude 128° east of Greenwich
 * 128th meridian west, a line of longitude 128° west of Greenwich
 * 128th Mountain Assault Brigade (Ukraine), a formation of the Ukrainian Ground Forces
 * 128th New York Volunteer Infantry, a volunteer regiment from upstate New York during the American Civil War
 * 128th Pioneers, an infantry regiment of the British Indian Army
 * 128th Regiment of Foot, an infantry regiment of the British Army, created in 1794 and disbanded in 1796
 * Ohio 128th General Assembly, the legislative body of the state of Ohio for the years 2009 and 2010