Lee Hyun-woo (born March 23, 1993) is a South Korean actor and singer. As a child actor, Lee built his filmography in television series such as The Return of Iljimae and Queen Seondeok. Upon reaching his teenage years, he became better known for his roles in Master of Study, Man from the Equator, To the Beautiful You, and particularly for the 2013 hit film Secretly, Greatly.