Lee Yong-woo (born April 15, 1981) is a South Korean actor and dancer. He graduated from the Korea National University of Arts with a degree in Dance and joined the modern dance company Laboratory Dance Project in 2001. Lee made his acting debut in 2009 and has since starred in television dramas such as Style and Birdie Buddy. He is also one of the coaches/judges (called "masters") in the reality competition show Dancing 9.