Voloshchuk is a surname. Notable people with the surname include:
Yuri Voloshchuk (born 1941), Ukrainian radio astronomer after whom main-belt asteroid 13009 Voloshchuk is named Semyon Voloshchuk, in the Cabinet of Boris Yeltsin and Yegor Gaidar Mykhailo Voloshchuk, a member of the parliament of Ukraine, 1990–1994 Konstantin Voloshchuk, a Hero of the Soviet Union