71st Regiment

• 71 (Yeomanry) Signal Regiment
• 71st (Highland) Regiment of Foot
• 71st Air Defense Artillery Regiment (United States)
• 71st Cavalry Regiment (United States)
• 71st Coorg Rifles
• 71st Illinois Volunteer Infantry Regiment
• 71st Infantry Regiment (Greece)
• 71st Infantry Regiment (New York)
• 71st Infantry Regiment (United States)
• 71st Ohio Infantry
• 71st Pennsylvania Infantry
• 71st Regiment of Foot (1758)
• 71st Regiment of Foot, Fraser's Highlanders
• 71st United States Colored Infantry Regiment
• British Army
• British Indian Army
• Hellenic Army
• New York State Guard
• US Army