Atrophy was a thrash metal band formed in Tucson, Arizona.

Atrophy, originally named Heresy, was formed in 1986 by Chris Lykins, James Gulotta, and Brian Zimmerman. Tim Kelly and Rick Skowron later joined the band. In 1987, the band produced two cassette demos and were subsequently picked up by thrash metal label, Roadrunner Records. They recorded two albums: Socialized Hate in 1988 and Violent By Nature in 1990. They toured the U.S. and Europe with another Arizona band, Sacred Reich, and Swiss band, Coroner.