Kim Kyu Jong (Korean: ???; Hanja: ???; born February 24, 1987) is a South Korean entertainer, actor, and a member of boyband SS501.
In 2010, Kim left DSP Media, who managed him as part of SS501, and moved to B2M Entertainment with bandmate Heo Young-Saeng, to pursue his solo career.
He made his musical debut in Goong: Musical, playing the lead role of Lee Shin, and debut as a solo artist in September 2011 with his mini album Turn Me On.On July 23, 2012, he was enlisted to serve his mandatory military service for 24 months on a non-active duty as a public service worker, and finally finished his duties on July 22, 2014.