Moisey Davidovich Kasyanik (also "Moisei and Moysey" and "Kas'ianik, Kosyanik, or Kosianiki"; born January 1, 1911 – 1988) was a Soviet weightlifter.He was Jewish, and was born in Novo-Zhitomyr, Kherson guberniya (Ukraine).He won a gold medal at the 1937 Workers' Olympiad in Antwerp, and won bronze medals at the 1946 World Weightlifting Championships in Paris (60 kg) and at the 1947 European Weightlifting Championships in Helsinki (60 kg).