| BANDNAME | RECORDS | COUNTRY | STYLE | ADDITIONAL INFO |
|---|---|---|---|---|
| Magnificentia | Sweden | Thrash/Heavy Metal | Not playing anymore | |
| Majesty | 1 | ? | Prog. Metal | |
| Mansoul | USA | Death | ||
| Martyr | 2+ | Germany? | Heavy Metal | |
| Matutinum | Norway | Black/Death/Doom | ||
| Mental Destruction | Sweden | Industry | Official Homepage | |
| Metanoia | 1 | Australia | Death/Thrash | |
| Mindrage | ? | USA | Grindcore | Homepage (Debut album out early 1998) |
| Minier | 1 | USA | Thrash | |
| Modest Attraction | 3 | Sweden | 70's glamrock | Vote, Homepage |
| Morbid Existence | USA? | Death? | ||
| Mordecai | Finland | Unblack/Death | Official HP | |
| Mortal | 5? | USA | Industry | |
| Mortal Death | demo | USA | Death | |
| Mortal Decay | USA? | Death? | Homepage | |
| Mortification | 11 | Australia | Death-Heavy Metal | Official HP,Vote |
| the Moshketeers | 1? | USA | Thrash/Hardcore | Homepage |
| MxPx (Magnified Plaid) | 3 | USA | Punk | TN, Official HP |