Hayk Bzhishkyan (Armenian: ???? ???????, Persian ???? ???????, Russian: ???? ???????, also known as Guy Dmitrievich Guy, Gai Dmitrievich Gai (??? ?????????? ???), Gaya Gai (??? ???), or Bzhishkyan, 18 February [O.S.
6 February] 1887 – 11 December 1937), was a Soviet military commander of the Russian Civil War and Polish-Soviet War.