Singer and musical theater actress, formerly main vocalist of the group Fin.K.L

| Life | 1980 |
| Era | 현대 |
| Clan | 의령 옥씨 |
Ock Joo-hyun (born 1980) is a singer and musical theater actress from Gangnam, Seoul. A local news article names her among Uiryeong Ok figures. She debuted in May 1998 as the main vocalist of the girl group Fin.K.L.
She graduated from Kyung Hee University's Department of Theater and Film, became DJ of MBC radio's 'Starry Night' in 2002, and released her first solo album 'Nan' in 2003. She made her musical theater debut in 2005 with 'Aida' and went on to appear in 'Chicago', 'Cats', 'Elisabeth', 'Rebecca' and 'Mata Hari'.
She has won best actress awards at the Korea Musical Awards, The Musical Awards and Golden Ticket Awards, and in 2017 held the champion title on MBC's 'King of Mask Singer'. She has served as adjunct professor at Dong Seoul University and professor at Digital Seoul Culture Arts University. For the clan overview see the Uiryeong Ok clan page.
She debuted in 1998 as Fin.K.L's main vocalist and released her first solo album in 2003.
Since debuting in 'Aida' in 2005 she has led productions such as 'Rebecca', 'Elisabeth' and 'Mata Hari' and won best actress prizes at several awards.