Kalafina (カラフィナ) is a Japanese vocal group formed by composer Yuki Kajiura in 2007, mainly to perform theme songs for the anime The Garden of Sinners, but later expanded to include many other theme songs for other anime shows and films including the Puella Magi Madoka Magica, Black Butler, The Heroic Legend of Arslan and Fate/stay night franchises.

[2] The group first appeared in January 2008 with two original members from Yuki Kajiura's FictionJunction project, Wakana Ōtaki and Keiko Kubota, whose membership was not confirmed until the first Dream Port 2008 concert held on April 29, 2008.

In an interview with the group at Anime Central, the concept of Kalafina differs from FictionJunction in that Kajiura does not perform on stage with the singers, but serves as an off-stage producer and songwriter.

[8][9] Despite the band being expected to disband in spring,[10] Space Craft reported to the official fan club that only one member will leave Kalafina.

[16][17] On October 3, 2024, Keiko, Wakana, and Hikaru announced that they have reunited due to fan support, with a concert planned for their anniversary on January 15, 2025 in Tokyo Garden Theater with Satoshi Takebe as their music producer.