4th Cavalry

4th Cavalry, 4th Cavalry Division, 4th Cavalry Brigade or 4th Cavalry Regiment may refer to:

Corps

 * IV Cavalry Corps (Grande Armée)
 * IV Cavalry Corps (German Empire)
 * 4th Cavalry Corps (Soviet Union)

Divisions

 * 4th Light Cavalry Division (France)
 * 4th Cavalry Division (German Empire)
 * 1st Indian Cavalry Division, which was designated the 4th Cavalry Division from November 1916 to March 1918 in France
 * 4th Cavalry Division (India)
 * 4th Cavalry Division (Soviet Union), see

Brigades

 * 4th Cavalry Brigade (Australia)
 * 4th (Lucknow) Cavalry Brigade, of the Indian Army from September 1920 to 1923
 * 4th (Meerut) Cavalry Brigade, of the Indian Army in the First World War
 * 4th (Secunderabad) Cavalry Brigade, of the Indian Army in the Second World War
 * 4th Cavalry Brigade (Imperial Japanese Army)
 * 4th Cavalry Brigade (Poland)
 * 4th Cavalry Brigade (United Kingdom)
 * 4th Cavalry Brigade (United States)

Regiments

 * 4th Cavalry Regiment (Australia)
 * 4th Cavalry (India), a regiment of the Indian Army
 * 4th Cavalry (Pakistan), an armoured regiment of the Pakistan Army
 * 4th Cavalry Regiment (United States)
 * 4th United States Colored Cavalry Regiment, a Union regiment of the American Civil War
 * 4th Arkansas Cavalry Regiment, a Confederate regiment of the American Civil War
 * 4th Arkansas Cavalry Regiment (Union), a Union regiment of the American Civil War
 * 4th Iowa Cavalry Regiment, a Union regiment of the American Civil War
 * 4th Kentucky Cavalry Regiment (Union), a Union regiment of the American Civil War
 * 4th Michigan Cavalry Regiment, a Union regiment of the American Civil War
 * 4th Ohio Cavalry Regiment, a Union regiment of the American Civil War
 * 4th Pennsylvania Cavalry Regiment, a Union regiment of the American Civil War
 * 4th South Carolina Cavalry Regiment, a Confederate regiment of the American Civil War
 * 4th Virginia Cavalry Regiment, a Confederate regiment of the American Civil War