JOO (주) is a South Korean singer. She debuted under JYP Entertainment in 2008 with the single "Young Girl". She left JYP in January 2015 after her contract expired and signed with Woollim in April later that year.

Her younger brother, Jung Il Hoon, is a member of BTOB.


Mini albums

Single albums

Digital singles



  • "Cinderella's Sister OST Part.1" (2010)
  • "Dream High OST Part.1" (2011)
  • "History of a Salaryman OST Part.3" (2012)


Official links

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