Organismos - Manejos Invisibles
n, 2011, Me Saco un Ojo Records UK
Ordo Inferus - Invictus et Aeternus
n, 2014, Doomentia CZ
Orcrist - Fallen
n, 2011, Aphelion UK
Opprobrium (Incubus) - Serpent Temptation
ss, 1988, High Roller D (2023)
Oniricous - Ritos Diabolicos
n, 2013, Equinox SPA (2015)
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)
Obituary - Dead
ss, 1998, Listenable FRA (2018)
Oak - Oak
n, 2009, A389 Recordings USA
Oak - ii
n, 2010, A389 Recordings USA
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
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) PURPLE VINYL
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) BLACK VINYL
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) CLEAR VINYL
Nights Blood - Black Arts
n, 2018, Diabolic Might D
Nightbringer - Hierophany of the Open Grave
n, 2011, Season of Mist FRA (2019)
Nifrost - Orkja
n, 2021, Dusktone ITA
Nevoa - Re Un
n, 2016, Avantgarde ITA
NettleCarrier - NettleCarrier
ss, 2012, Indie Recordings NOR
Necrosanct - Desolate
ss, 1993, Darkness Shall Rise D (2023)
Necroplasma - Sit Gloria Domini in Saeculum
n, 2006, Death To Mankind, SPA
Necrophobic - Womb of Lilithu
n, 2013, Floga GRE (2021)