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)

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)

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 former regiment of the Indian Army
• 4th Cavalry Regiment (United States)
• 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 Regiment Iowa Volunteer Cavalry, a Union regiment of the American Civil War
• 4th Regiment Kentucky Volunteer Cavalry, a Union regiment of the American Civil War
• 4th Michigan Volunteer Cavalry Regiment, a Union regiment of the American Civil War
• 4th Ohio Cavalry, a Union regiment of the American Civil War
• 4th Pennsylvania Cavalry, a Union regiment of the American Civil War
• 4th Regiment South Carolina Cavalry, a Confederate regiment of the American Civil War
• 4th Virginia Cavalry, a Confederate regiment of the American Civil War