Grygorii Vasylovych Vovchynskyi (Ukrainian: Григорій Васильович Вовчинський, born 4 July 1988) is a Ukrainian biathlete, cross-country skier and Paralympian. He is classified LW8 (single arm amputation), and compete in classification category standing.
He competed in biathlon and cross-country skiing at the 2010 Winter Paralympics in Vancouver, Canada. In cross-country skiing he won silver in the men's relay, open with Iurii Kostiuk, Vitaliy Lukyanenko and Volodymyr Ivanov, and a bronze medal in the 10 km, standing. He placed 6th in the men's 1 km sprint and 15th in the 20 km, standing. In biathlon, he took the silver medal in the 12.5 km, and the bronze medal in the men's 3 km pursuit, standing.