Atreyu is an American metalcore band from Orange County, California, formed in 1999. The band consists of vocalist/lyricist Alex Varkatzas, guitarists Dan Jacobs and Travis Miguel, bassist Marc McKnight and drummer/vocalist Brandon Saller.

They have released five studio albums: Suicide Notes and Butterfly Kisses, The Curse, A Death-Grip On Yesterday, Lead Sails Paper Anchor, and Congregation of the Damned.