4th Brigade Combat Team

• 4th Brigade (disambiguation)
• 4th Brigade Combat Team (Airborne), 25th Infantry Division
• 4th Brigade Combat Team, 101st Airborne Division
• 4th Brigade Combat Team, 10th Mountain Division
• 4th Brigade Combat Team, 1st Armored Division
• 4th Brigade Combat Team, 1st Cavalry Division
• 4th Brigade Combat Team, 2nd Infantry Division
• 4th Brigade Combat Team, 3rd Infantry Division (United States)
• 4th Brigade Combat Team, 4th Infantry Division (United States)
• 4th Brigade Combat Team, 82nd Airborne Division
• 4th Division (disambiguation)
• 4th Infantry Brigade Combat Team, 1st Infantry Division (United States)
• 4th Regiment (disambiguation)
• 4th Squadron (disambiguation)