Fin.K.L (Korean: 핑클) is a South Korean girl group formed by DSP Media in 1998 consisting of members Lee Hyori, Ock Joo-hyun, Lee Jin, and Sung Yu-ri. Fin.K.L was one of the most popular K-pop groups of the late 1990s and early 2000s, alongside rival girl group S.E.S. The group cemented their popularity in South Korea with the release the songs "To My Boyfriend" in 1998, "Eternal Love" in 1999, and "Now" in 2000.

The group released four full-length albums: Blue Rain (1998), White (1999), Now (2000), and Forever (2002). They won several major awards including New Artist of the Year at the 1998 Golden Disc Awards, the Grand Prize at the 1999 Seoul Music Awards, and Best Female Group at the 2000 Mnet Music Video Festival.

Fin.K.L became inactive after releasing the single, "FinKL", in 2005. However, Fin.K.L reunited on a variety show in July 2019 and released Fin.K.L Best Album, including a new song titled "Just Like the Song That Remains" on September 22.