Jaeyoon is a common Korean name, often used for males. It can be written in Hangul as 재윤. The name is popular in South Korea and may have various meanings depending on the Hanja characters used to write it. In popular culture, Jaeyoon is also the name of a member of the South Korean boy group SF9. He is known for his singing and dancing skills, contributing to the group's performances and music. SF9 debuted in 2016 and has gained a significant following both in South Korea and internationally.