101st Regiment

101st Regiment may refer to:

Infantry regiments

 * 101st Grenadiers, a unit of the army of British India
 * 101st Infantry Regiment (Philippine Commonwealth Army), a unit of the Philippine Commonwealth Army
 * 101st (Northumbrian) Regiment Royal Artillery (Volunteers), a unit of the British Army
 * 101st Regiment of Foot (Royal Bengal Fusiliers), a unit of the British Army
 * 101st Regiment of Foot (1760), a unit of the British Army
 * 101st Infantry Regiment (United States)
 * 101st Regiment "Edmonton Fusiliers", a unit of Canada's Non-Permanent Active Militia from 1908 to 1920

Armour regiments

 * Führer Grenadier Brigade (101st Panzer Regiment), a unit of the German Army

Aviation regiemnts

 * 101st Fighter-Training Aviation Regiment, a unit of the Yugoslav Air Force

Cavalry regiments

 * 101st Cavalry Regiment (New York Army National Guard)

Artillery Regiments

 * 101st Field Artillery Regiment, a unit of the United States Army

American Civil War regiments

 * 101st Indiana Infantry Regiment, a unit of the Union (North) Army
 * 101st Illinois Volunteer Infantry Regiment, a unit of the Union (North) Army