Anastasiya Romanivna Voznyak (; born 9 December 1998) is a Ukrainian female rhythmic gymnast. Voznyak competed alongside London 2012 Olympians Olena Dmytrash, Yevgeniya Gomon, Valeriia Gudym, and rookie Oleksandra Gridasova at the 2016 Summer Olympics in Rio de Janeiro, where she and her Ukrainian team placed seventh in the group all-around final with a total score of 34.282. In 2021, she was part of Ukrainian group that competed at the delayed 2020 Olympic Games in Tokyo, Ukraine and took 7th place in group all-around Final with a total score of 77.600.