Lee Min Jeong is a South Korean actress and model. She is best known for playing the role of Ha Jae Kyung in the popular 2009 idol drama Boys Over Flowers (BOF). Her first TV series lead role was in Smile, You; she portrayed Seo Jeong In, Jung Kyung Ho's partner.

In 2006, well before her iconic BOF role, Lee briefly dated actor Lee Byung Hun, who is 13 years her senior. They resumed their relationship in 2012 and they were married on August 10, 2013, at the Grand Hyatt Seoul. A year and a half later (on March 31, 2015) they welcomed their first child, a son named Lee Joon Hoo.