Alexander Fyodori Miasnikian or Myasnikov (28 January [9 February] 1886 – 22 March 1925), also known by his revolutionary nom de guerre Martuni, was an Armenian Bolshevik revolutionary, military leader and politician. During the Russian Civil War, he served as First Secretary of the Communist Party of Byelorussia from 1918 to 1919. As the Chairman of the Council of People's Commissars of Armenia from 1921 to 1922, he is credited with rebuilding the Armenian republic at the beginning of Lenin's New Economic Policy (NEP).