Lee Woo Jung is a South Korean television screenwriter. Lee is best known for writing the tvN television dramas Reply series: Reply 1997 (2012), Reply 1994 (2013) and Reply 1988 (2015–2016). She also wrote the popular variety-reality shows 2 Days & 1 Night, Qualifications of Men, Grandpas Over Flowers, Sisters Over Flowers, Youth Over Flowers and Three Meals a Day.
She was given a presidential commendation for her work on Grandpas Over Flowers at the 2013 Korea Content Awards, which praised her for its depiction of “four elderly backpackers with humour and warmth”.