- Astarte
- Astrud Gilberto
- Aswad
- At The Drive In
- At The Gates
- At Vance
- Ataraxia
- Atari Teenage Riot
- Ataris
- Ataris The
- ATB
- ATB pres. Flanders
- ATC
- Atheist
- Athena
- Athlete
- Atmosphere
- Atomic Kitten
- Atomic Rooster
- Atoms For Peace
- Atreyu
- Atrocity
- Atrox
- Attack Attack
- Audio Adrenaline
- Audio Bullys
- Audioslave
- August Burns Red
- Augustana
- Aura Dione
- Aural Vampire
- Austra
- Authority Zero
- Autopilot Off
- Autopsy
- Autumnblaze
- Avail
- Avalon
- Avant
- Avantasia
- Avenged Sevenfold
- Aventura
- Average White Band
- Avicii
- Avril Lavigne
- Avulsed
- Awolnation
- Axel Rudi Pell
- Axis Powers Hetalia
- Axwell