Ekaterina Kovalchuk, born on February 20, 1993, in Syktyvkar, Komi, is a Russian theater and film actress. She graduated from SPbGATI in 2016 and made her debut in The Officer's Wives (2013). Her breakthrough role was in the American short film Private (2015). She gained recognition for her role as Nastya in Hussar (2020) and its sequel The Hussar 2 (2024).
Kovalchuk also appeared in Eight Ways to Love (2021), Love of Evil (2024), and will star in The Healer (2025) and Treasures of the Chinese Seas (2025). In 2025, she received a Golden Eagle Award nomination. She is the sister of actress Anna Kovalchuk and maintains a presence on Instagram and VK.