Rubuta ci gaba don wannan sakin layi - Jun Jae-Youn ko Jeon Jae-Yeon (an haife shi a ranar 9 ga Fabrairu 1983) dan wasan badminton ne na Koriya ta Kudu. An haife shi a Pocheon, Jun ya kasance wani ɓangare na Jami'ar Wasannin Koriya ta Koriya. Ta kasance zakara a Gasar Zakarun Asiya ta 2004 a gasar 'yan mata. Ta buga wasan badminton a wasannin Olympics na bazara na 2004 don Koriya ta Kudu, inda ta doke Charmaine Reid na Kanada a zagaye na farko amma ta yi rashin nasara a kan Cheng Shao-chieh na Taipei na kasar Sin a zagaye na 16. A gasar Swiss Open ta 2005, ta sami raunin raunin haɗin gwiwa na gwiwa a wasan da ta yi da Xu Huaiwen na Jamus a zagayen wasan kusa da na kusa da na karshe. Jun kuma ya yi takara a gasar wasannin Olympics a karo na biyu a Beijing 2008
da kuma kai a zagaye na uku. Ta doke Kamila Augustyn da Chloe Magee a zagaye na farko da na biyu, amma Zhang Ning ya doke ta a wasannin kai tsaye.