Lee In-Jong (, born August 2, 1982) is a South Korean female taekwondo practitioner. She is a three-time World Championship middleweight silver medalist.
Lee did not qualify for the 2008 Olympics losing to Hwang Kyung-Seon, who eventually won the Olympic gold medal in the women's under 67 kg division in Beijing, in the South Korean National Trials.
As a middleweight (under 73 kg), Lee clinched her slot in the women's over 67 kg division 2012 Olympic South Korean National Trials where she beat 2011 World Championship runner-up An Sae-Bom and 2007 World Championship runner-up Park Hye-Mi. At the Olympics, she lost in her bronze medal bout to Anastasia Baryshnikova.