Lee Soo-young (Hangul: 이수영; born Lee Ji-yeon, Hangul: 이지연 on April 12, 1979) is a South Korean ballad singer. She debuted in 1999 with the hit album, I Believe, and quickly gained popularity due to her strong singing skills. During the mid-2000s, Lee was one of South Korea's best-selling singers, selling more than 700,000 albums in 2004 alone despite a recession in the music industry.