Hardcore

Hoax

DubStep · Drum & Bass

Hollywood Undead

Hardcore · Emo

Holy Mountain

Hardcore

Honour Is Dead

Hardcore · Metalcore

Horse The Band

Post Hardcore · Experimental

Hospitals

Rock · Melodic Hardcore

Hounds

Hardcore · Hardcore Punk

Humans

Melodic Hardcore · New Wave

Hundredth

Melodic Hardcore · Hardcore

Hyena

Hardcore · Black metal

I Spy

Punk · Hardcore

I.Witness

Hardcore · Screamo

Identity

Punk · Hardcore

Idiot Savant

DubStep · Electronic

Igneon System

Hardcore · Breakcore

Ignite

Melodic Hardcore · Punk Rock

In Hearts Wake

Post Hardcore · Metal

INU

New Wave · Punk

Ira Glass

Punk · Hardcore

Iridium

Hardcore · Metalcore

Iron Reagan

Hardcore · Thrash metal

Ironside

Hardcore · Heavy metal

It Prevails

Post Hardcore · Melodic Hardcore

Jackals

Punk · Hardcore

JAKAZiD

Electronic · Hardcore

Jawbone

Blues · Hardcore

Jaws

Punk · Hardcore

Jenna

Pop · Female vocalists

JFA

Punk Rock · Punk

Joey Riot

Electronic · Hardcore

John Coffey

Rock · Melodic Hardcore

John Tyrrell

Hardcore · Drum n bass

Jonestown

Rock · Punk

Joshua

Hard Rock · Hardcore

Judas

Rock · Hardcore

Judge

Hardcore · Hardcore Punk