11th Regiment

11th Regiment or 11th Infantry Regiment may refer to:


 * 11th Alpini Regiment, a unit of the Italian Army
 * 11th Hussars, a unit of the British Army
 * 11 Explosive Ordnance Disposal and Search Regiment RLC, a unit of the British Army's Royal Logistic Corps
 * 11th Infantry Regiment (United States), a unit of the United States Army
 * 11th Infantry Regiment (Philippine Army)
 * 11th Infantry Regiment (Greece)
 * 11th Infantry Regiment (USAFIP-NL)
 * 11th Marine Regiment (United States), a unit of the United States Marine Corps
 * Devonshire Regiment, a unit of the United Kingdom Army
 * 11th Infantry Regiment (Thailand)

Armoured regiments

 * 2/11th Armoured Car Regiment (Australia), a unit of the Australian Army
 * 11th Armoured Regiment (India)
 * 11th Armored Cavalry Regiment (United States), a unit of the United States Army
 * 1st-11th Cuirassier Regiment, a unit of the French Army
 * 1st Cuirassier Regiment (France), a unit of the French Army
 * 11th Tank Regiment, a unit of the Russian Armed Forces

American Revolutionary War regiments

 * 11th Regiment of Connecticut Militia
 * 11th Massachusetts Regiment
 * 11th Pennsylvania Regiment
 * 11th Virginia Regiment

Confederate (Southern) Army regiments

 * 11th Regiment Alabama Infantry
 * 11th Missouri Infantry Regiment (Confederate)

Union (Northern) Army regiments

 * 11th Iowa Volunteer Infantry Regiment
 * 11th Illinois Volunteer Infantry Regiment (3 Year)
 * 11th Illinois Volunteer Infantry Regiment (3 Month)
 * 11th Regiment Illinois Volunteer Cavalry
 * 11th Regiment Kentucky Volunteer Infantry
 * 11th Maine Volunteer Infantry Regiment
 * 11th Regiment Massachusetts Volunteer Infantry
 * 11th Michigan Volunteer Infantry Regiment
 * 11th Michigan Volunteer Infantry Regiment (reorganized)
 * 11th Michigan Volunteer Cavalry Regiment
 * 11th Minnesota Volunteer Infantry Regiment
 * 11th New Hampshire Volunteer Regiment
 * 11th New York Volunteer Infantry Regiment
 * 11th Ohio Infantry
 * 11th Pennsylvania Infantry
 * 11th West Virginia Volunteer Infantry Regiment
 * 11th Wisconsin Volunteer Infantry Regiment