Heyrocco is an American indie rock band from Charleston, South Carolina, formed in 2009 by guitarist and vocalist Nathan Merli, bassist Christopher Cool, and drummer Tanner Cooper. The group releases its debut album, Teenage Movie Soundtrack, in 2015.

In 2017, the band moves to Los Angeles, California. In 2024, it adopts the name Chemical Therapy after the addition of guitarist Pat Mertens. The act is associated with indie pop, indie, indie rock and alternative.