Polina Horodnycha (; born 2005 in Odesa Oblast) is a Ukrainian female rhythmic gymnast. She is the 2023 European Championships silver medalist in the team classification.
In December 2021, Horodnycha received the title of Candidate for Master of Sport.
Horodnycha made her Worlds debut at the 2022 World Championships in Sofia, Bulgaria, where she finished 19th in the ribbon qualification.
During the 2023 season, she won bronze medal in the all-round and ribbon at the Miss Valentine Tartu Grand Prix in Estonia. In March, she competed at Marbella Grand Prix, where she won bronze medal in clubs final. She also competed at Palaio Faliro World Cup, where she ended on 24th place in all-around. In May she represented Ukraine at the 2023 European Championships in Baku, Azerbaijan, alongside Viktoriia Onopriienko and Polina Karika. Together with senior group they won silver medal in team competiton. She competed with ribbon only, taking 11th place in qualifications. In June she competed at Brno Grand Prix taking bronze medal in the all-around and silver medals in clubs and ribbon finals.
In 2024, she competed at Brno Grand Prix in June, taking 9th place in all-around.
In 2025, she competed at the 2025 Summer Universiade in Essen and took 9th place in the individual all-around. After qualifying to two apparatus finals, she took 7th place with ribbon and 8th place with clubs.
In 2026 Horodnycha joined Ukrainian national senior group. Together with her teammates Oleksandra Yushchak, Valeriia Peremeta, Yelyzaveta Azza, Kira Shyrykina and Diana Baieva she debuted at Tartu Grand Prix in February, winning gold medal in group all-around and 5 balls and bronze medal in 3 hoops + 4 clubs final.