64th Regiment

• 64th (2nd Staffordshire) Regiment of Foot
• 64th (Liverpool Irish) Lancashire Rifle Volunteer Corps
• 64th (Queen's Own Royal Glasgow Yeomanry) Anti-Tank Regiment, Royal Artillery
• 64th Armor Regiment
• 64th Division (disambiguation)
• 64th Illinois Volunteer Infantry Regiment
• 64th Infantry Regiment (United States)
• 64th New York Volunteer Infantry Regiment
• 64th Ohio Infantry
• 64th Squadron (disambiguation)
• 64th United States Colored Infantry Regiment
• 64th Virginia Mounted Infantry
• British Army
• British Territorial Army
• Loudon's Highlanders
• US Army
• Yeomanry