5th Regiment

5th Regiment or 5th Infantry Regiment may refer to:


 * Infantry regiments :
 * 5th Aviation Regiment (Australia), a unit of the Australian Army
 * 2/5th Armoured Regiment (Australia), a unit of the Australian Army
 * 5th Foot Guards, a regiment of the Imperial German Army
 * 5th Guards Grenadiers, a regiment of the Imperial German Army
 * 5th Infantry Regiment (Philippine Commonwealth Army), a unit of the Philippine Commonwealth Army
 * 5th Infantry Regiment (Philippine Constabulary), a unit of the Philippine Constabulary was active of the military establishments on 1944 to 1946 under the U.S. military command during the Liberation and stationed in Northern and Southern Luzon and Bicol Peninsula.
 * 5th Regiment of Foot, a unit of the United Kingdom Army
 * 5th Dragoon Guards, a unit of the United Kingdom Army
 * 5th Bengal European Regiment, a unit of the British East India Company
 * 5th Marine Regiment (United States), a unit of the United States Marine Corps
 * 5th Infantry Regiment (United States), a unit of the United States Army


 * Artillery regiments :
 * 5th Medium Regiment, Royal Canadian Artillery, a unit of the Canadian Army
 * 5th Regiment Royal Artillery, a unit of the United Kingdom Army


 * Armoured regiments :
 * 5th Royal Tank Regiment, a unit of the United Kingdom Army


 * Cavalry regiments :
 * 5th Cavalry Regiment (United States), a unit of the United States Army


 * Air reconnaissance regiments:
 * 5th Air Reconnaissance Regiment, a unit of Yugoslav Air Force


 * American Revolutionary War regiments :
 * 5th Continental Regiment
 * 5th Connecticut Regiment
 * 5th Maryland Regiment
 * 5th Massachusetts Regiment
 * 5th New York Regiment
 * 5th North Carolina Regiment
 * 5th Pennsylvania Regiment
 * 5th South Carolina Regiment
 * 5th Virginia Regiment


 * American Civil War regiments :
 * 5th Regiment Illinois Volunteer Cavalry
 * 5th Iowa Volunteer Infantry Regiment
 * 5th Regiment Iowa Volunteer Cavalry
 * 5th Michigan Volunteer Infantry Regiment
 * 5th Michigan Volunteer Cavalry Regiment
 * 5th Minnesota Volunteer Infantry Regiment
 * 5th New York Veteran Volunteer Infantry Regiment
 * 5th United States Colored Infantry Regiment
 * 5th West Virginia Volunteer Infantry Regiment
 * 5th West Virginia Volunteer Cavalry Regiment
 * 5th Wisconsin Volunteer Infantry Regiment