Kim Jan-Di (Korean: 김잔디; born 15 June 1991 in South Jeolla, South Korea) is a South Korean judoka. She competed in the 57 kg event at the 2012 Summer Olympics and lost in the second round. She lost in the first round of the same event at the 2016 Summer Olympics. That year, she won a silver medal at the Asian Championships. She was ranked 3rd in the world for part of 2016. Her other medals include silver at the 2011 and 2013 Asian Championships, and the 2010 and 2014 Asian Games and bronze at the 2012 and 2015 Asian Championships.