- Audiotopsy (Nu Metal-USA)
- Arity (Progressive Metal-USA)
- Autopsya (Thrash Metal-Portugal)
- Athrepsy (Brutal Death-France)
- Auridius (Folk Death-USA)
- Arktis (Post Hardcore-Germany)
- Audity (Hardcore-France)
- Anautopsy (Death Grind-USA)
- Authority (Death Metal-Indonesia)
- Arditi (Dark Ambient-Sweden)