National Army

The term national army typically means the lawful army of the state as distinct from rebel armies or private armies that may operate there.

National Army may also refer to:
 * National Revolutionary Army, the national army of the Republic of China in 1925–1947, know has the National Army after 1928
 * Korean Liberation Army, the national army of the Republic of Korea in 1941–1946, know has the National Army after 1943
 * National Army (USA), the 1917 army of the United States of America
 * National Army (Ireland) (1921–1924), the army of the Irish Free State in its formative years
 * National Army (Suriname), the Suriname army of 1980, when the Surinamese armed forces changed name
 * National Army (Azerbaijan), a branch of the Azerbaijan Republic Armed forces
 * National Army (Spanish Civil War), the "Ejército Nacional", Nationalist rebel forces in the Spanish Civil War
 * National Army of Colombia, the land military force of the government of Colombia and the largest service of the Colombian Armed Forces
 * National Army of Guatemala, "Ejercito Nacional de Guatemala", a branch of the military of Guatemala
 * National Army of Uruguay, "Ejército Nacional", a branch of the armed forces of Uruguay
 * Dominican Army, Ejército Nacional de la República Dominicana, a branch of the Military of the Dominican Republic
 * National Army of Venezuela, one of the four professional branches of the Armed Forces of the Bolivarian Republic of Venezuela
 * National Army, a playable faction in the EA computer game Battlefield Heroes