Kim Byung-Joo (born January 14, 1968 in Daegu) is a retired South Korean judoka.
He won a gold medal in the -78 kg class at the 1989 World Judo Championships in Belgrade.
Kim represented South Korea in the 1992 Olympic Games, winning bronze in the half middleweight division.He is currently serving as a professor for Korea Air Force Academy.He is married to judoka Kim Mi-jung.