Lee Ji-yeon (Korean: 이지연; born February 18, 1984), known professionally as Lina (린아), is a South Korean singer and musical theatre actress.

After the duo disbanded in 2004, Lina eventually became a member of girl group The Grace in 2005.

Following The Grace's indefinite hiatus in 2010, Lina established herself as a musical actress, notably through her participation in the original and Korean versions of stage musicals including Fame, Moon Embracing the Sun, Jekyll & Hyde, Notre-Dame de Paris, Sweeney Todd: The Demon Barber of Fleet Street and Les Misérables.

On July 25, 2014, Lina confirmed that she was dating musical actor, Jang Seung-jo for two years.

[4] On December 31, 2021, Lina gave birth to the couple's second child, a daughter.