101st Regiment may refer to:

Infantry regiments

101st Regiment of Foot (disambiguation) 101st Regiment of Foot may refer to regiments of the British Army: *101st Regiment of Foot (Royal Bengal Fusiliers), raised in 1652 *101st Regiment of Foot (1760), or Johnstone's Highlanders, raised in 1760 *101st Regiment of Foot (1780), raised in ...

, several units of the British Army *

101st Grenadiers The 101st Grenadiers was a regiment of the British Indian Army. 1778–1878 The regiment was formed in 1778 after six grenadier companies (two companies each from the three battalions of the Bombay Army) were combined to form a composite battal ...

, a unit of the army of British India *

101st (Northumbrian) Regiment Royal Artillery 101 (Northumbrian) Medium Regiment Royal Artillery is part of the Army Reserve and has sub units throughout the north east as well as one sub unit in Leeds, West Yorkshire. It is equipped with M270 Multiple Launch Rocket System (MLRS). History T ...

, a unit of the British Army *

101st Infantry Regiment (United States) The 101st Infantry Regiment was a formation of the United States Army, Massachusetts Army National Guard. Its history dates back to the American Civil War, and continues to the Spanish–American War, World War I, and World War II before being dea ...

101st Regiment "Edmonton Fusiliers" 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length ...

, a unit of Canada's Non-Permanent Active Militia from 1908 to 1920

Armoured regiments

* 101 Panzer Regiment, a unit of the

Führer Grenadier Brigade The Führer Grenadier Brigade (formerly Führer Grenadier Battalion later Führer Grenadier Division) was an élite German Army combat unit which saw action during World War II. The Führer Grenadier Brigade is sometimes mistakenly perceived as be ...

of the German Army

Aviation regiments

101st Fighter-Training Aviation Regiment The 101st Fighter-Training Aviation Regiment (''Serbo-Croatian: 101. školski-lovački vazduhoplovni puk / 101. школски-ловачки ваздухопловни пук'') was a unit established in 1945 as the 2nd Training Aviation Regiment ...

, a unit of the Yugoslav Air Force

Cavalry regiments

101st Cavalry Regiment ''This page is about the 101st Cavalry Regiment. The 101st Cavalry Group was its headquarters unit.'' The 101st Cavalry Regiment is a unit of the New York National Guard that has existed in various forms since 1838 and which saw service in the A ...

, a unit of the New York Army National Guard, United States Army

Artillery regiments

101st Field Artillery Regiment The 101st Field Artillery ("Boston Light Artillery") regiment is the oldest field artillery regiment in the United States Army with a lineage dating to 13 December 1636 when it was organized as the South Regiment. It is one of several National ...

, a unit of the United States Army

American Civil War regiments

101st Indiana Infantry Regiment The 101st Regiment, Indiana Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It fought in several major campaigns and battles in the Western Theater, including the Atlanta Campaign and the ...

, a unit of the Union (North) Army *

101st Illinois Volunteer Infantry Regiment The 101st Illinois Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. Service The 101st Illinois Infantry was organized at Jacksonville, Illinois, and mustered into Federal service on Se ...