Tourbillon (トゥールビヨン, Tūrubiyon?) is a Japanese rock band comprised of LUNA SEA members Ryuichi Kawamura (河村隆一, Kawamura Ryūichi?, "RYUICHI" in Tourbillon) on vocals and INORAN on guitar and Hiroaki Hayama (葉山 拓亮, Hayama Hiroaki?, "H. Hayama" in Tourbillon) from D-LOOP on keyboard. They recently reached the top 3 of the Oricon Weekly Ranking Charts with "Break the Chain," a first for any member of the band.

Tourbillon on Last.fm.