Vladimir Alexandrovich Antonov-Ovseenko (Russian: Владимир Александрович Антонов-Овсеенко; Ukrainian: Володимир Олександрович Антонов-Овсієнко; 9 March 1883 – 10 February 1938), real surname Ovseenko, party aliases 'Bayonet' (Штык) and 'Nikita' (Никита), literary pseudonym A. Galsky (А. Гальский), was a prominent Bolshevik leader, Soviet statesman, military commander, and diplomat. He was executed during the Great Purge.