54th Regiment

• 43rd (Monmouthshire) Regiment of Foot
• 52nd (Oxfordshire) Regiment of Foot
• 54th (City of London) Heavy Anti-Aircraft Regiment, Royal Artillery
• 54th (West Norfolk) Regiment of Foot
• 54th Division (disambiguation)
• 54th Indiana Infantry Regiment
• 54th Infantry Regiment (France)
• 54th Infantry Regiment (Imperial Japanese Army)
• 54th Infantry Regiment (United States)
• 54th Massachusetts Infantry Regiment
• 54th Massachusetts Volunteer Regiment
• 54th New York Volunteer Infantry
• 54th Ohio Infantry
• 54th Pennsylvania Infantry Regiment
• 54th Regiment Kentucky Volunteer Mounted Infantry
• 54th United States Colored Infantry Regiment