Lee Eun-ju (December 22, 1980 – February 22, 2005) was a South Korean actress. She was best known for the films Virgin Stripped Bare by Her Bachelors (2000), Bungee Jumping of Their Own (2001), Lovers' Concerto (2002), and Tae Guk Gi: The Brotherhood of War (2004). She died by suicide at age 24.