Republic of Armenia (disambiguation)

Republic of Armenia may refer to:


 * First Republic of Armenia (1918-1920), officially known as Republic of Armenia
 * Republic of Mountainous Armenia (1921)
 * Armenian Soviet Socialist Republic (Armenian SSR) (1920–1922, 1936–1991), also known as Soviet Armenia or the Second Republic of Armenia
 * Armenian Republic, present-day Armenia (1991-present)