Mayhem Festival 2015

Mayhem Festival 2015 was the eighth annual Mayhem Festival. It was confirmed that Slayer, King Diamond, Hellyeah and The Devil Wears Prada will be headlining the festival, while Whitechapel, Thy Art Is Murder, Jungle Rot and Sister Sin would be among those supporting. Dates were announced on April 13, 2015. It was the final Mayhem festival until the return was announced as a one-day festival in October of 2024

Main stage

 * Slayer
 * King Diamond
 * Hellyeah
 * The Devil Wears Prada

Victory Records Stage

 * Whitechapel
 * Thy Art Is Murder
 * Jungle Rot
 * Sister Sin
 * Sworn In
 * Shattered Sun
 * Feed Her to the Sharks
 * Code Orange
 * Kissing Candice

Dates
°July 22, New Hampshire's show was cancelled and was replaced with Erie, Pennsylvania.