Yuri Khmelnytsky (Ukrainian: Юрій Хмельницький, Polish: Jerzy Chmielnicki, Russian: Юрий Хмельницкий) (1641–1685), younger son of the famous Ukrainian Hetman Bohdan Khmelnytsky and brother of Tymofiy Khmelnytsky, was a Zaporozhian Cossack political and military leader. Although he spent half of his adult life as a monk, he also was Hetman of Ukraine on several occasions — in 1659-1660 and 1678–1681 and starost of Hadiach. For background see The Ruin (Ukrainian history).