Shin Jung-hwan (Hangul: 신정환; born 10 May 1974) is a South Korean singer and entertainer. He debuted as a singer in 1994 as a member of the K-pop group Roo'ra, and later became a frequent guest on South Korean variety shows. His career was put on hold for several years, and his popularity plummeted after he was found guilty of illegal gambling while visiting the Philippines in 2010.