Yun-seok

Yun-seok, also spelled Yoon-seok or Yun-suk, is a Korean given name.
People with this name include:

Hwang Yun-suk, South Korean female judge
Kim Yoon-seok, South Korean actor
Lucid Fall, South Korean singer-songwriter
Jung Yoon-suk, South Korean film director
Oh Yun-suk, South Korean handball player
Jung Yun-seok, South Korean child actor