3rd Cavalry, 3rd Cavalry Division, 3rd Cavalry Brigade or 3rd Cavalry Regiment may refer to: Corps III Cavalry Corps (Grande Armée) III Cavalry Corps (German Empire) Divisions 3rd Cavalry Division (German Empire) 3rd Cavalry Division (Reichswehr) 3rd Cavalry Division Amedeo Duca d'Aosta, of the Italian Army 3rd Cavalry Division (United Kingdom) 3rd Cavalry Division (United States) Brigades 3rd Cavalry Brigade (Australia) 3rd (Ambala) Cavalry Brigade, of the Indian Army in the First World War 3rd (Meerut) Cavalry Brigade, of the Indian Army in the Second World War 3rd Cavalry Brigade (Imperial Japanese Army) 3rd Cavalry Brigade (Poland) 3rd Cavalry Brigade (United Kingdom) 3rd Brigade Combat Team, 1st Cavalry Division (United States) Regiments and battalions 3rd Cavalry Regiment (Australia) 3rd Cavalry (India) 3rd Bengal Cavalry, of the Indian Army 3rd Bengal Light Cavalry, of the East India Company 3rd Madras Cavalry, of the East India Company 3d Armored Cavalry Squadron (South Vietnam) 3rd Cavalry Regiment (United States) 3rd Arkansas Cavalry, a Confederate regiment of the American Civil War 3rd Arkansas Cavalry Regiment, a Confederate regiment of the American Civil War 3rd Arkansas Cavalry Regiment (Union), a Union regiment of the American Civil War 3rd Colorado Cavalry Regiment, a Union regiment of the American Civil War 3rd Regiment Indiana Cavalry, a Union regiment of the American Civil War 3rd Regiment Illinois Volunteer Cavalry, a Union regiment of the American Civil War 3rd Regiment Iowa Volunteer Cavalry, a Union regiment of the American Civil War 3rd Regiment Kentucky Volunteer Cavalry, a Union regiment of the American Civil War 3rd Michigan Volunteer Cavalry Regiment, a Union regiment of the American Civil War 3rd Ohio Cavalry, a Union regiment of the American Civil War 3rd Virginia Cavalry, a Confederate regiment of the American Civil War 3rd West Virginia Volunteer Cavalry Regiment, a Union regiment of the American Civil War 3rd Wisconsin Volunteer Cavalry Regiment, a Union regiment of the American Civil War