126th

126th may refer to:


 * 126th (Peel) Battalion, CEF, a unit in the Canadian Expeditionary Force during the First World War
 * 126th Air Refueling Squadron, a unit of the Wisconsin Air National Guard that flies the KC-135R Stratotanker
 * 126th Air Refueling Wing, an Illinois Air National Guard air refueling wing located at Scott Air Force Base, Illinois.
 * 126th Baluchistan Infantry, a regiment of the British Indian Army
 * 126th Cavalry Regiment (United States), a United States military unit of the Michigan Army National Guard
 * 126th Delaware General Assembly, a meeting of the Delaware Senate and the Delaware House of Representatives
 * 126th Division (People's Republic of China), a division deployed by the People's Republic of China
 * 126th meridian east, a line of longitude 126° east of Greenwich
 * 126th meridian west, a line of longitude 126° west of Greenwich
 * 126th Ohio Infantry, an infantry regiment in the Union Army during the American Civil War
 * 126th Pennsylvania Infantry, an infantry regiment of the Union Army of the American Civil War
 * 126th Regiment of Foot, an infantry regiment of the British Army, created in 1794 and disbanded in 1796
 * Ohio 126th General Assembly, the legislative body of the state of Ohio in the years 2005 and 2006
 * Ohio House of Representatives membership, 126th General Assembly, in session in 2005 and 2006