Shim Ja-yun (심자윤), known under her stage name Yoon (윤), is a South Korean singer/K-pop idol. She is under High Up Entertainment. She is best known as one of the lead vocalists of the girl group STAYC.
심자윤 • Shim Ja-yoon • Shim Ja-yun • Shim Jayoon • Sim Ja-yun
![STAYC 1st World Tour [TEENFRESH] in Seoul movie poster (2024)](https://image.themoviebrowser.com/movie/1446526/poster.webp)