Dirty Rotten Imbeciles (also known as D.R.I.) are a United States hardcore punk/thrashcore/crossover thrash band that formed in Houston, Texas, in 1982. The band currently comprises founding members, vocalist Kurt Brecht and guitarist Spike Cassidy, as well as drummer Rob Rampy and bassist Harald Oimoen.

D.R.I. never gained a mainstream audience, but the integration of their hardcore punk roots with thrash metal influences was a stylistic catalyst for their contemporaries —most notably Suicidal Tendencies, Corrosion of Conformity, and Stormtroopers of Death— alongside whom they are considered pioneers of what would later be called “crossover thrash.” This subgenre was also coined from their 1987 album Crossover.