Army of the Republic may refer to:

Arm na Poblachta, Gaelic for "Army of the Republic", active dissident Irish republican paramilitary group Army of the Republic, alternative name of the British New Model Army (1645–1660) Army of the Republic, fictional army and aerospace force of clone troopers in the Star Wars franchise The Army of the Republic, novel by Stuart Archer Cohen. The army of the Roman Republic Grand Army of the Republic, US Civil War veterans' organization

See also Grand Army of the Republic (disambiguation) Republican Army (disambiguation)