Joo Min-Jin (Hangul: 주민진, Hanja: 朱敏眞) (born 1 August 1983 in Seoul) is a retired South Korean short track speed skater.
She who won a gold medal in the 3000 m relay at the 2002 Winter Olympics, together with teammates Choi Eun-Kyung, Park Hye-Won and Choi Min-Kyung.