Yuliya Sergeyevna Stupak (, née Belorukova; born 21 January 1995) is a Russian cross-country skier who competes internationally with the Russian national team.
She competed at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, 2018 Winter Olympics in Pyeongchang, South Korea, and FIS Nordic World Ski Championships 2019 in Seefeld, Austria.
All results are sourced from the International Ski Federation (FIS).
Stupak is married to Nikita Stupak. Their child, Arseny, was born on 7 January 2020.