Lee Min-jung (Hangul: 이민정; born February 16, 1982) is a South Korean actress. She began her career in Jang Jin's stage plays, and for a few years appeared in supporting roles on film and television. She became known after her appearance in Boys Over Flowers (2009), and landed her first lead role in family drama Smile, You (2009). Lee achieved widespread recognition for her leading role in the romantic comedy Cyrano Agency (2010). She also starred in Wonderful Radio (2012), Big (2012), Cunning Single Lady (2014) and Come Back Mister (2016).
Lee Min-jung was a late starter in the world of Korean entertainment. Whereas most starlets launch their careers as teenagers, she debuted at 25 after graduating from Sungkyunkwan University with a degree in Theater.
Lee began her career in playwright/filmmaker Jang Jin's stage plays, then appeared in the Christian-themed indie Pruning the Grapevine, while doing minor roles on film and television. She became a household name in 2009 through her supporting role in the popular high school series Boys Over Flowers, which then landed her first leading role in the weekend drama Smile, You. The same year, she won the Best New Actress award at the Korean Association of Film Critics Awards for her performance in the mystery thriller White Night.