Lee Eun-sung is a South Korean actress. She made her acting debut in the youth drama Sharp, followed by roles in the television series Evasive Inquiry Agency (2007), and the films Dasepo Naughty Girls (2006), Milky Way Liberation Front (2007) and Take Off (2009).

Dasepo Naughty Girls is a 2006 South Korean musical comedy film. It is based on the popular webtoon Dasepo Girls by B-rate Dalgung, which has also been adapted into a TV series.