3rd Regiment

• 1st Battalion, 258th Field Artillery (United States)
• 3/40 Evzone Regiment
• 3rd Air Reconnaissance Regiment
• 3rd Armored Cavalry Regiment (United States)
• 3rd Aviation Regiment (United States)
• 3rd Constabulary Regiment (Philippine Constabulary)
• 3rd Infantry Regiment (Greece)
• 3rd Infantry Regiment (Norway)
• 3rd Infantry Regiment (Philippine Commonwealth Army)
• 3rd Infantry Regiment (Philippine Constabulary)
• 3rd Infantry Regiment (United States)
• 3rd Regiment Illinois Volunteer Cavalry
• 3rd Regiment Indiana Cavalry
• 3rd Regiment Iowa Volunteer Cavalry
• 3rd Regiment Kentucky Volunteer Cavalry
• 3rd Regiment Kentucky Volunteer Infantry
• 3rd Regiment Royal Horse Artillery
• 3rd Regiment South Carolina Volunteer Infantry (African Descent)
• 3rd Serres Regiment
• 3rd Training Aviation Regiment
• Fall of Bataan and Corregidor
• Scots Guards
• The Buffs (Royal East Kent Regiment)