Oniricous - Ritos Diabolicos
n, 2013, Equinox SPA (2015)
Omen - Teeth of the Hydra
n, 1989, Black Beard ITA (2021)
Omen - Into the Arena
n, 2012, No Remorse GRE
Omega Infinity - Solar Spectre
n, 2020, Seasons of Mist FRA
Olde - The Gates of Dawn
n, 2013, Soulseller NL
Old Mans Child - Slaves of the World
n, 2009, Floga GRE (2018)
October Tide - In Splender Below
n, 2019, Agonia PL
Obtest - Auka Seniems Dievams
n, 2001, Leda Takas LIT (2011)
Obtest - Amžina Aušra
n, 2011, Ledo Takas LIT
Obsidian Kingdom - A Year with no Summer
n, 2016, Season of Mist FRA
Obsession - Scared for Life
ss, 1986, High Roller D (2024)
Obsession - Order of Chaos
ss, 2012, High Roller D (2024)
Obituary - Dead
ss, 1998, Listenable FRA (2018)
Oak - Oak
n, 2009, A389 Recordings USA
Oak - ii
n, 2010, A389 Recordings USA
Nupta Cadavera - Nupta Cadavera
n, 2019, Nuclear War Now USA
Nunslaughter - Metal Assault on Melbeurne & Brisbane
n, 2009, Hells Headbangers USA (3 x 7")
Not Fragile / Z-Iron - Masters of Metal
ss, 2004, Hellion DŠedý vinyl
Not Fragile / Z-Iron - Masters of Metal
ss, 2004, Hellion D, Růžový vinyl
Northtale - Welcome to Paradise
ss, 2019, Nuclear Blast D
Northtale - Eternal Flame
n, 2022, Night of the Vinyl Dead ITA
Non Opus Dei - Glod
n, 2019, Pagan Records PL
Nokturnal Mortum - Twilightfall
n, 1995, Osmose FRA (2020) -galaxy blue vinyl
Nokturnal Mortum - The Taste of Victory
n, 2003, Osmose FRA (2022)
Nokturnal Mortum - Lunar Poetry
n, 1996, Osmose FRA (2020) blue marble
Nokturnal Mortum - Kolovrot
n, 2011, Osmose FRA (2020) - 3LP
Noisehunter - Time to Fight
ss. 1986, High Roller D (2019), red vinyl
Nocturnal Rites - In a Time of Blood and Fire
n, 1995, Night of the Vinyl Dead ITA (2014)
Nocturnal Rites - Afterlife
n, 2000, Diabolic Might D (2021)
Nocturnal Breed - Carry the Beast
ss, 2023, Dark Essence NOR