Abattoir was an American speed metal band founded in 1982[1] which went through a number of lineup changes.

Their first recording appearance was on Metal Massacre IV in 1983, during a time when their vocalist was John Cyriis, who later went to found Agent Steel.

[2] Juan Garcia, and Steve Gaines went on to be involved in other metal bands, including Evildead and Tactics.

Guns founder Michael Jagosz was also briefly a vocalist for Abattoir during the early days.

[3] On February 17 and 19, 1984, Abattoir was the opening act of what would be the first ever Megadeth live shows.