22nd Regiment

22nd Regiment or 22nd Infantry Regiment may refer to:

Infantry regiments

 * Royal 22nd Regiment, a unit of the Canadian Army
 * 22nd Punjab regiment, a unit of the British Indian Army until 1922
 * 22nd Infantry Regiment (North Korea), a unit of the North Korean Army
 * Lapland Ranger Regiment, also designated as the "22nd Light Infantry Regiment", a unit of the Swedish Army
 * Värmland Regiment, also designated as the "22nd Infantry Regiment", a unit of the Swedish Army
 * 22nd Regiment, Special Air Service, a unit of the British Army
 * 22nd Regiment of Foot, later known as the "Cheshire Regiment", an infantry regiment of the British Army
 * 22nd Infantry Regiment (United States), a current unit of the United States Army
 * 22nd Marine Regiment (United States), a unit of the United States Marine Corps during World War II

Cavalry regiments

 * 22nd Dragoons, a unit of the British Army

Engineering regiments

 * 22nd Engineer Regiment (Australia), a unit of the Australian Army
 * 22 Engineer Regiment (United Kingdom), a unit of the British Army's Royal Engineers

American Civil War regiments

 * 22nd Regiment Alabama Infantry, a unit of the Confederate (Southern) Army during the American Civil War
 * 22nd Illinois Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Regiment Indiana Infantry, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Iowa Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Regiment Kansas Militia Infantry, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Regiment Kentucky Volunteer Infantry, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Regiment Massachusetts Volunteer Infantry, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Michigan Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War
 * 22nd New York Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Pennsylvania Cavalry Regiment, a unit of the Union (Northern) Army during the American Civil War
 * 22nd Virginia Infantry Regiment, a unit of the Confederate (Southern) Army during the American Civil War
 * 22nd Virginia Cavalry, a unit of the Confederate (Southern) Army during the American Civil War
 * 22nd Wisconsin Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War

American Revolutionary War regiments

 * 22nd Continental Regiment, served in the Continental Army from 1775 to 1776 during the Revolutionary War