Yulia Alexandrova Portunova (Russian: Ю́лия Алекса́ндровна Портуно́ва; born May 4, 1994) is a Russian curler from Kaliningrad. She currently plays third on Team Alina Kovaleva. She competed at the 2018 and 2022 Winter Olympics as the alternate on Olympic Athletes from Russia and the third on the Russian Olympic Committee women's curling teams, skipped by Victoria Moiseeva and Alina Kovaleva respectively. She has won two medals at the World Women's Curling Championship: a bronze in 2018 and a silver in 2021. She was also the alternate for the Moiseeva rink when they won the 2016 European Curling Championships.