Lee Sin-young (이신영) is a South Korean actor born on January 24, 1998, in Chilgok County, South Korea. He began his career in web dramas in 2018 before gaining international recognition for his breakout performance in the hit romantic drama series Crash Landing on You (2019–2020).

Lee subsequently starred in leading and prominent roles across various television series, including How to Buy a Friend (2020), Awaken (2020–2021), Rookie Cops (2022), Dr. Romantic Season 3 (2023), and Captivating the King (2024). On the big screen, he made his feature film debut leading the ensemble cast of the acclaimed sports drama film Rebound (2023).