8th Cavalry

8th Cavalry may refer to:

Divisions

 * 8th Cavalry Division (German Empire), a unit of the German Army during the First World War
 * 8th SS Cavalry Division Florian Geyer, a unit of the Waffen-SS during the Second World War

Brigades

 * 8th (Lucknow) Cavalry Brigade, a unit of the British Indian Army during the First World War
 * 8th Cavalry Brigade (United Kingdom), a unit of the British Army during the First World War

Regiments

 * 8th Cavalry Regiment, a unit of the United States Army
 * 8th Cavalry (British Indian Army) of the British Indian Army from 1846 to 1922, now part of the 3rd Cavalry regiment of the Indian Army
 * 8th Light Cavalry, a unit of the Indian Army from 1922 onwards
 * 8th Ohio Cavalry, a Union regiment during the American Civil War
 * 8th Regiment Illinois Volunteer Cavalry, a Union regiment during the American Civil War
 * 8th Texas Cavalry, popularly known as Terry's Texas Rangers, a Confederate regiment during the American Civil War
 * 8th Virginia Cavalry, a Confederate regiment during the American Civil War