84th Regiment

• 84th (York and Lancaster) Regiment of Foot
• 84th Division (disambiguation)
• 84th Illinois Volunteer Infantry Regiment
• 84th Infantry Regiment (Philippine Commonwealth Army)
• 84th New York Volunteer Infantry Regiment
• 84th Ohio Infantry
• 84th Pennsylvania Infantry
• 84th Regiment Indiana Infantry
• 84th Regiment of Foot (1759)
• 84th Regiment of Foot (Royal Highland Emigrants)
• 84th Squadron (disambiguation)
• 84th Wing (disambiguation)
• American Revolutionary War
• British Army
• Philippine Commonwealth Army