48th Regiment

48th Regiment or 48th Infantry Regiment may refer to:

United Kingdom

 * 48th (South Midland) Division, was an infantry division of the British Army
 * 48th Regiment of Foot

United States

 * 48th Infantry Brigade Combat Team (United States)
 * 48th Regiment Indiana Infantry
 * 48th Regiment Kentucky Volunteer Mounted Infantry
 * 48th Infantry Regiment (United States)