O soundtrack my heart - Pvt - 2008
Released by Warp
Tracks : 11 / Length : 48:17:64
digipack

Oblivion with bells - Underworld - 2007
Released by Pias
Tracks : 11 / Length : 57:30:00
+ DVD

Obsolete medium - Rockwell - 2015
Released by Shogun audio
Tracks : 15 / Length : 67:03:70
shacd014

Octahedron - Mars volta (the) - 2009
Released by Universal Music
Tracks : 8 / Length : 50:08:02

Octane - Orbital - 2003
Released by Emi
Tracks : 14 / Length : 43:08:03
Movie soundtrack

Odyssey/scala - Tesseract - 2015
Released by Century media
Tracks : 11 / Length : 63:51.07
Digipack
+ DVD

Of mice & men - Of mice and men - 2010
Released by Rise
Tracks : 10 / Length : 33:41.24

Of seismic consequence - Yakuza - 2010
Released by Profound lore
Tracks : 9 / Length : 51:10:36
digipack

Off beat - various -
Released by Pottheadz
Tracks : 12 / Length : 63:42:70
digipack
with 2 steps beyond, Overdub system, Organism

Official mixtape - Iam - 2007
Released by N/A
Tracks : 19 / Length : 62:42:14
mix

Offworld - Celldweller - 2017
Released by Fixt
Tracks : 11 / Length : 52:48.18
digipack

Oh yeah baby... - Robert le magnifique - 2008
Released by Idwet
Tracks : 12 / Length : 45:21:49
digipack

Oi oi oi - Boys noize - 2007
Released by Last gang
Tracks : 14 / Length : 67:35:66
digipack

Ok computer - Radiohead - 1997
Released by Capitol
Tracks : 12 / Length : 53:29:12

Ok cowboy - Vitalic - 2005
Released by Citizen
Tracks : 13 / Length : 54:05:12

Old rave ends - Swarms - 2011
Released by Lo dubs
Tracks : 11 / Length : 42:27:39
digipack

Old school recordings - Dionysos - 2001
Released by Noise product
Tracks : 12 / Length : 36:14:27

Old skool classics : in the mix - DJ hype - 2002
Released by Real playaz
Tracks : 16 / Length : 66:38:54
mix
Frontline & Ganja kru coop

Omega point - Stellardrive - 2008
Released by Le sonotone
Tracks : 9 / Length : 44;49;59
digipack

Omelette du fromage - Closet disco queen - 2021
Released by Hummus
Tracks : 7 / Length : 38:58.32
Digipack, limited

Omen (the story continues...) - Magic affair - 1994
Released by Emi
Tracks : 14 / Length : 69:11.27

Ominous - Border crossing - 2005
Released by Recall
Tracks : 13 / Length : 53:27:62

On - Boom boom satellites - 2006
Released by Sony music
Tracks : 12 / Length : 48:33:07

On a mission - Katy b - 2011
Released by Sony music
Tracks : 12 / Length : 55:55:10
+ bonus song at the end of track 12

On the floor at the boutique - Lo-fidelity allstars - 1999
Released by Skint
Tracks : 21 / Length : 73:34:50
mix