61st Regiment

61st Regiment or 61st Infantry Regiment may refer to:


 * 61st Regiment of Foot (disambiguation), four British Army units carried this name
 * 61st Pioneers, a unit of the British Indian Army, 1758-1922
 * 61st Infantry Regiment (United States), a unit of the United States Army
 * 61st Air Defense Artillery Regiment, a unit of the United States Army
 * 61st Cavalry Regiment (United States), a unit of the United States Army
 * 61st Anti-aircraft Missiles Regiment (Romania), a unit of the Romanian Land Forces
 * 61st Cavalry (India), a unit of the Indian Army
 * 61st Infantry Regiment (Finland), a unit of the Finnish Army, 1941–1944


 * American Civil War
 * Union (Northern) Army
 * 61st Illinois Volunteer Infantry Regiment
 * 61st Indiana Infantry Regiment
 * 61st Ohio Infantry
 * 61st New York Volunteer Infantry
 * 61st Regiment Massachusetts Volunteer Infantry
 * 61st Pennsylvania Infantry


 * Confederate (Southern) Army
 * 61st Virginia Infantry
 * 61st Georgia Volunteer Infantry