Lee Sungjun is a South Korean name that may refer to various individuals, including artists, athletes, or public figures. One notable person with this name is a member of the popular K-pop group INFINITE, known for his singing and performance skills. In addition to his music career, Lee Sungjun has also participated in various television programs and events, showcasing his versatility as an entertainer. His contributions to the South Korean entertainment industry have garnered him a dedicated fan base both domestically and internationally.