Antonina Dubinina (Serbian Cyrillic: Антонина Дубинина; born 23 October 1996) is a Russian-Serbian figure skater who competes in women's singles.

[1] As a child, she was taught by Galina Savchenkova at the Central Youth Theater in Mytishchi, a suburb of Moscow.

[3] Dubinina made her senior international debut for Serbia at the CS Lombardia Trophy in September 2016.

Coached by Svetlana Sokolovskaia at CSKA Moscow, she placed 29th in the short program at the 2017 European Championships in Ostrava, Czech Republic.

Coached by Sokolovskaia and Stanislav Zakharov,[1] Dubinina advanced to the final segment at the 2019 European Championships in Minsk, Belarus.