49th Regiment

49th Regiment or 49th Infantry Regiment may refer to:


 * 49th Hutsul Rifle Regiment, a unit of the Polish Army
 * 49th (Princess Charlotte of Wales's) (Hertfordshire) Regiment of Foot, a unit of the British Army
 * 49th Royal Tank Regiment, a unit of the British Army
 * 49th Field Artillery Regiment, RCA, a unit of the Canadian Army
 * The Hastings and Prince Edward Regiment, a unit of the Canadian Army
 * 49th Field Artillery Regiment (United States), a unit of the US Army
 * 49th Infantry Regiment (United States), a unit of the US Army
 * 49th Regiment of Bengal Native Infantry, a unit of the East India Company's Bengal Army


 * American Civil War regiments :
 * Union (Northern) Army
 * 49th Regiment Kentucky Volunteer Mounted Infantry
 * 49th Illinois Volunteer Infantry Regiment
 * 49th Wisconsin Volunteer Infantry Regiment
 * 49th Indiana Infantry Regiment
 * 49th New York Volunteer Infantry
 * 49th Ohio Infantry
 * 49th Pennsylvania Infantry


 * Confederate (Southern) Army
 * 49th North Carolina Infantry
 * 49th Virginia Infantry