National guard is the name used by a wide variety of current and historical uniformed organizations in different countries. The original National Guard was formed during the French Revolution around a cadre of defectors from the French Guards.
National Guard may refer to:
Africa
National Guard (Mauritania)

Tunisian National Guard, a separate military force of Tunisia
Americas
National Guard (Brazil) (1831–1918), a paramilitary militia created to support the Brazilian Army
National Guard (El Salvador) (1912–1992), the Salvadoran gendarmerie
National Guard (Mexico), a gendarmerie created in 2019.
National Guard (Nicaragua) (1925–1979), a militia and gendarmerie created during the occupation by the United States
National Guard (United States), military reserves organized by each of the 50 U.S. states, territories, D.C. and administered by the National Guard Bureau;
Army National Guard, a reserve force of the United States Army which functions as the ground component of the state-level militia while not in federal service
Air National Guard, a reserve force of the United States Air Force which functions as the air component of the state-level militia while not in federal service
National Guard (of Panama) (1946–1990) (Guardia Nacional), were the armed forces of the Republic of Panama. Later re-organized as the Panama Defense Forces.
Venezuelan National Guard (Guardia Nacional de Venezuela), the gendarmerie component of the National Armed Forces of Venezuela
Asia
National Guard (Bahrain), a separate military force in Bahrain that serves both as defence force and as a security force
National Guard (Iraq), part of the new Military of Iraq absorbed by the Iraqi Army
National Guard of Israel
National Guard of Kazakhstan
National Guard (Kyrgyzstan), one of the branches of the Armed Forces of the Republic of Kyrgyzstan