| Band |
Genre |
| Nazareth | Hard Rock |
| Nembrionic | Black/Death Metal/Hardcore |
| Neolithic | Gothic Metal |
| Neurotic Outsiders | Hard Rock |
| Nick Cave and the Bad Seeds | Alternative Rock |
| Nickelback | Grunge Rock |
| Nightwish | Symphonic Metal |
| Nile | Black/Death Metal/Hardcore |
| Nine Inch Nails | Industrial Rock |
| Nirvana | Grunge Rock |
| NOFX | Punk Rock |
| Nuclear Assault | Thrash Metal |
| Nuno Bettencourt | Hard Rock |
| Nyktalgia | Black/Death Metal/Hardcore |
| Oasis | Pop Rock |
| Obituary | Black/Death Metal/Hardcore |
| Obscura | Black/Death Metal/Hardcore |
| Onkel Tom Angelripper | Thrash Metal |
| Oomph! | Industrial Rock |
| Opeth | Black/Death Metal/Hardcore |
