Seo Yeon-woo, born on August 2, 2015, is a South Korean child actress. She began her career at a young age, gaining significant visibility in 2019 with her role as Aeng-du in the television drama *The Tale of Nokdu*. For this performance, she won the Best Young Actress award at the KBS Drama Awards of the same year, a significant recognition of her performance. Her popularity grew further with her role as Cho Seo-woo in the 2020 series *Hi Bye, Mama!*, where she played the protagonist's daughter, receiving widespread acclaim for her expressiveness. Her other significant works include the series *Love with Flaws* (2019), *Yonder* (2022), and *My Dearest* (2023), solidifying her position as one of the most in-demand and talented child actresses of her generation. Thanks to her consistent presence in successful productions, she is considered one of the most promising young talents in the South Korean entertainment industry.