49th Regiment

• 49th (Princess Charlotte of Wales's) (Hertfordshire) Regiment of Foot
• 49th Brigade (disambiguation)
• 49th Division (disambiguation)
• 49th Field Artillery Regiment (United States)
• 49th Field Artillery Regiment, RCA
• 49th Hutsul Rifle Regiment
• 49th Illinois Volunteer Infantry Regiment
• 49th Indiana Infantry Regiment
• 49th Infantry Regiment (United States)
• 49th New York Volunteer Infantry
• 49th North Carolina Infantry
• 49th Ohio Infantry
• 49th Pennsylvania Infantry
• 49th Regiment Kentucky Volunteer Mounted Infantry
• 49th Regiment of Bengal Native Infantry
• 49th Royal Tank Regiment
• 49th Squadron (disambiguation)
• 49th Virginia Infantry
• 49th Wisconsin Volunteer Infantry Regiment
• The Hastings and Prince Edward Regiment