Kim Jae-won (; born February 9, 2001) is a South Korean actor and model. He is known for his roles in Our Blues (2022), ' (2023), King the Land (2023), and Hierarchy (2024).
Kim was born on February 9, 2001, in Seoul, South Korea.
He graduated from high school at School of Performing Arts Seoul in Department of Theatre & Film. He attended Chung-Ang University in Performance Film Creation department.
Kim Jae-won made his debut as a fashion model in 2018, and subsequently commencing his acting journey in 2021 with the Filipino-Korean web series Love From Home directed by Kristel Fulgar, and later appearing in the series titled Romanced.
In 2022, Kim made his notable appearance in the television drama Our Blues on tvN, portraying the character of a young Cha Seung-won. After playing the role he received immense adoration from the viewers and left a lasting impression. Continuing to demonstrate his talent, he was then cast as the lead protagonist, Je Soo-oh, in the EBS television drama Fall For You. Excellently portraying the role of a beloved high school student, which he effectively embodied the image of first love.
In the year 2023, an additional invitation was extended to him, presenting an opportunity to showcase his talent in the renowned television series ' on tvN. In this production, he assumed the role of Shin Chang-hoon, a former homicide detective. Furthermore, he has made a recent appearance in the JTBC romantic comedy drama King the Land.
In 2024, Kim took on the lead role for the first time in the original Netflix drama series Hierarchy as Kim Ri-an, alongside Roh Jeong-eui and Lee Chae-min, and will debut in the sageuk drama The Tale of Lady Ok.
In 2025 Kim was set to appear in another Netflix original series The Art of Sarah. He has been confirmed to play the role of Shin Soon-rok, love interest of Kim Yumi (Kim Go-eun) in the third season of the drama Yumi's Cells. On February 2, 2026, it was announced that Kim will serve as host of Music Bank alongside Izna's Bang Jee-min and will start on the February 27, 2026 episode.