Lee Sun-hee (Korean: 이선희; born November 11, 1964) is a South Korean singer-songwriter. She is often referred to as South Korea's "National Diva" for her immense popularity, commercial success, and vocal ability.

Lee debuted in 1984 with the song, "To J," for which she won first prize in the MBC Riverside Song Festival. She released her first album, Ah! The Good Old Days, the following year in 1985. She released a string of successful albums in the 1980s and early 1990s, and won awards at KBS Song Festival and MBC Ten Singers Song Festival every year from 1984 to 1990, as well as main prize at the Golden Disc Awards every year from 1986 to 1990.

The government of South Korea awarded Lee the prestigious Prime Minister's Commendation in 2010 for her contributions to popular culture. In 2011, Lee became the fourth South Korean singer to ever perform at Carnegie Hall. She released her 15th album, Serendipity in 2014. In 2018, she performed in Pyongyang as a part of Spring is Coming and became one of few South Korean singers to perform twice in North Korea. She released her 16th album, Anbu in 2020.