Youn Sang-hyun (; born in 2002) is a South Korean actor under HODU&U Entertainment. He made his acting debut through the TV series Under the Queen's Umbrella.

Early life Youn Sang-hyun was born in 2002, in Busan, South Korea. He attended a liberal arts high school and currently studying at the Department of Theater and Film in Dongguk University. He has one sister. Because of his father's business, they often moved from one place to another. Yoon then came to Seoul after enjoying the acting academy he attended in his first year of high school.

Filmography Film Year Title Role 2025 Love Untangled Baek Seong-rae 2026 Mad Dance Office Hyun-deok Akgu: The Secret of the Moon Shadow Min

Television series Year Title Role Note(s) 2023 Under the Queen's Umbrella Prince Mu-ahn Debut acting 2024 Doctor Slump Nam Ba-da Good Partner Park Seo-jin (Episode 8) Family by Choice Lee Jun-ho Marry You Ju Dong-seok (Episode 9–10) 2025 Buried Hearts Heo Tae-yoon

Television shows YearTitleRoleNotes 2025–2026 The Gentlemen's League Regular member Season 4 2026 Deadly Tag Cast member

Music video appearances Year Song title Artist 2026 "I Like You" () Choi Seong-gon

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