Artist by letter: A
- At The Drive-in
- At the Gates
- Atari Teenage Riot
- Ataris
- Ataris, The
- ATB
- Atc
- Athena Cage
- Athenaeum
- Athlete
- Atlantic Starr
- Atmosphere
- Atomic Kitten
- Atreyu
- Attica Blues
- Audio Adrenaline
- Audioslave
- Audiovent
- Audioweb
- Augie March
- Australian Idol
- Auteurs, The
- Authority Zero
- Avalanches, The
- Avant
- Avenged Sevenfold
- Aventura
- AVID
- Avril Lavigne
- Az Yet
- Aztec Camera