King Gnu is a Japanese band formed in 2013. It consists of: Daiki Tsuneta (Vocalist & Guitarist), Satoru Iguchi (Vocalist & Keyboardist), Kazuki Arai (Bassist) and Yu Seki (Drummer).

The band's main songwriter is Daiki Tsuneta, who also performs as part of the creative collective Millennium Parade.

They then performed at the Fuji Rock Festival in 2017 and 2018.

In January 2019, the band released "Sympa", their first release under a major label after signing to Ariola Japan. The following month, King Gnu released the hit song "Hakujitsu", which ranked No.4 in the year-end Billboard Japan Hot 100 Chart. In October 2019, they released "Kasa" which, for their first time, reached No.1 in the Billboard Japan Download Chart.