- Olen musta (feat. Pyhimys & Huge L)Pyhimys
- Out of TimePic Schmitz
- Other Words Fail MeWILDES
- Oralipse EPMaxime Dangles
- Oh, Won't You Sit DownJack Miffleton
- Only One석훈성 (石勋成)
- 보통남녀 (Ordinary People)보통남녀 (普通男女)
- Out AliveAiyana
- OmniphonyTod Dockstader
- One By One (Hunter Siegel Remix)Hunter Siegel
- On the Open RoadIngo Hassenstein
- Out of My WorldCommunions
- 별난가족 OST Part.3(Unsaual Family (KBS 1TV DRAMA) OST Part.3) (怪异家族 OST Part 3)김예지나 (金艺智娜)
- 모두 다 쿵따리 OST Part 11 (Everybody say Kungdari OST Part.11)김예지나 (金艺智娜)
- 한걸음만 (One step) (只要一步)김예지나 (金艺智娜)
- Outside the BoxHacktivist
- サムライフラメンコ ORIGINAL SOUNDTRACK CD〈1〉 (TV动画《武士弗拉明戈》原声带CD〈1〉)玉井健二 (たまい けんじ)
- サムライフラメンコ ORIGINAL SOUNDTRACK CD〈2〉 (TV动画《武士弗拉明戈》原声带CD〈2〉)玉井健二 (たまい けんじ)
- One more lightCrazywell
- Oasis Classics for the BathGeorge Carlaw
- One more nightSharkhuman
- Organ ConcertAustin C. Lovelace
- Ovis AriesPrismo
- Operation Neptune SpearVatican Shadow
- Ocean TalesClassical Piano
- Orbit 30:The Remixes, Vol.3Varioust Artists
- Out of the GardenTancred
- Om Sera - Funky HouseVarioust Artists
- On the GroundVinylsurfer
- On the Wings of the RenaissanceOlexa Kabanov
- Oldies Party Music HitsParty Hit Legends
- Oh My Boogie - EMI Years 1975-1978 (2012 - Remaster)The Ronski Gang
- Os Grandes SucessosTrio Parada Dura
- On The Town TonightAlbert Lee (阿尔伯特·李)
- Oh Philia!Jupiter Jones
- Once In A LifetimeJohn Davidson
- One Lonely ShadowBlue Moon Rising
- Os Maiores SucessosTrio Parada Dura
- On Earth As It Is: The Complete WorksMother Love Bone
- Orient - OccidentEric Aubier
- On Earth As It Is: The Complete Works (Explicit)Mother Love Bone
- Oktoberfest Forever-Die größten Wiesnhits NONSTOPMünchner Zwietracht
- Oti ThelisGiorgos Giannias
- OverdriveMuffler
- OssainEchonomist
- Oti Thelis (2025)Giorgos Giannias
- Obstacles / DancingEchonomist
- ObstaclesEchonomist
- Observance (Explicit)Primitive Man
- Our HighlightsBossa Nostra
- 'O Chalet/Stanza d'AlbergoCarmelo Zappulla
- Oh NoNeuman
- Ooh YeahMoby Grape
- onyekee (with BARAKA)Baraka
- Organ Grinder's Swing 1936 - 1938Ambrose
- OUTTATHISWORLD - RADIO SHOW VOL. 1 (Explicit)GENETIKK
- O.S.TKt
- On The Impossible PastThe Menzingers
- Over (Dropouts Remix)Side-B
- On The Possible PastThe Menzingers