| A | B | C | D | E | F | G | H | I | J | K | L | M | N |
| O | P | Q | R | S | T | U | V | W | X | Y | Z |
| O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Artysta | Albumy | Debiut |
|---|---|---|
| Omnium Gatherum | 7 | 2003 |
| On Thorns I Lay | 7 | 1995 |
| One Man Army And The Undead Quartet | 6 | 2005 |
| Opera IX | 14 | 1992 |
| Opeth | 42 | 1995 |
| Ophthalamia | 1 | 1997 |
| Orakle | 2 | 2002 |
| Orphaned Land | 12 | 1994 |
| Outre | 2 | 2013 |
| Overkill | 51 | 1983 |
| Ozzy Osbourne | 86 | 1980 |
| Pain Of Salvation | 16 | 1996 |
| Pale Mist | 4 | 2008 |
| Pantera | 64 | 1983 |
| Paradise Lost | 63 | 1988 |
| Paradox | 22 | 1997 |
| Pathology | 7 | 2006 |
| Paths Of Possession | 3 | 2000 |
| Pavor | 3 | 1993 |
| Payne's Gray | 2 | 1991 |
| Percival Schuttenbach | 4 | 1999 |
| Pestilence | 11 | 1987 |
| Phaenon | 2 | 2007 |
| Phallus Dei | 10 | 1993 |
| Phantasmagory | 3 | 1997 |
