Bark Psychosis are a band from Waltham Forest in East London. Essentially the brainchild of noted producer, Graham Sutton they produced some classic atmospheric indie rock in the late 1980s and early 1990s, culminating in the album Hex in 1994. The line up for this work was Daniel Gish (keyboards), John Ling (bass), Mark Simnett (drums) and Graham Sutton (vocals and guitar). A collection of singles was also produced. Called Independency, this included the ambient "Scum", helping move them into the post rock genre.

After a ten year hiatus, Codename:Dustsucker was released in 2004. It is mostly the work of Graham Sutton, who also released drum and bass records under the name Boymerang during the gap between Bark Psychosis albums.

All of the band's works have received critical acclaim.