Japanese noise music unit run by Kohei Gomi.

Pain Jerk was one of the more prolific and influential noise artists of the 1990s, and is one of the leading figures in the "dynamic" style of Japanese noise, alongside acts such as [[artist:Merzbow]] and [[artist:Kazumoto Endo]]. Gomi is also the owner of the noise label [[label:AMP (3)]], and a member, along with T. Mikawa and F. Kosakai of [[artist:Incapacitants]], of the noise supergroup [[artist:Gomikawa Fumio]].