Lee Jang-woo (Korean: ???; born June 1, 1986) is a South Korean actor and singer.
He is best known for his roles in the television series Glory Jane, I Do, I Do and My Only One.
Lee also became popular after being paired with Ham Eun-jung in the third season of fictional marriage reality show We Got Married.
In 2009 Lee, No Min-woo and Hyun Woo formed the K-pop project group 24/7, which has since disbanded after releasing the single 24 Hours a Day, 7 Days a Week.
Lee also appeared in a 2011 music video for his cousin, singer Hwanhee.