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