Thy Art Is Murder is an Australian deathcore band from Blacktown, Sydney, that formed in 2006. The band consists of vocalist Tyler Miller, guitarists Sean Delander and Andy Marsh, bassist Kevin Butler and drummer Jesse Beahler. Thy Art Is Murder has released six studio albums since formation.

Their 2008 EP Infinite Death, reached position no. 10 on the AIR Charts upon release, and their second full-length album Hate debuted at no. 35 on the ARIA Charts, making them the first extreme metal band to ever reach the Top 40 of this chart. The album also reached no. 1 on AIR and both no. 2 and no. 4 respectively on the US and Canadian iTunes metal charts on its week of release.

The band's following albums Holy War (June 2015) and Dear Desolation (August 2017) charted on US Billboard 200. Human Target was released in July 2019. Their most recent album, Godlike, was released in September 2023.

Loudwire designated Thy Art is Murder as being among deathcore's "Big Four", along with Whitechapel, Suicide Silence and Job for a Cowboy.