Namesakes
Joo Hyong-jun
(m) 1991- 
Olympic Medalists 2014 speed skating (silver)
Joo Hyun-jung
(f) 1982-
Olympic Medalists 2008 archery - team (gold)
Joo Sae-hyuk
(m) 1980-
Olympic Medalists 2012 table tennis (silver)