- over12012
- Over the Rainbow (Remastered 2026)Drakensberg Boys Choir
- Oxygen and AtmosphereWideband Network
- On The Move (Deluxe Edition)The Leftovers
- Our Songs - The Very Best of the Israeli Kibbutz Folk SingersHaGevatron
- Oh No It's... The Wonder StuffThe Wonder Stuff
- Open Book - The Best Of...Cock Robin
- Oiseau Bleu de LuneVernon
- 엄마를 버리러 갑니다 (Original Motion Picture Soundtrack)신케이 (SINN-K)
- 영화 이공삼칠 OST (电影2037 OST)신케이 (SINN-K)
- One More Time : The Chess YearsBilly Stewart
- Oh Sheila (Re-Recorded / Remastered Versions)Ready For The World
- Oh Shelia (Re-recorded - Sped up)Ready For The World
- Oh Sheila! Ready For The World's Greatest HitsReady For The World
- Open SkiesMark Taylor
- Ocean Breeze GrooveMark Taylor
- ON GO (Explicit)Big Talk
- Ocean DepthMark Taylor
- OHWEYOHLaurent Schark
- ObsesiónDavid Sanchez
- Orchestral WorksAndrei Petrov
- OoloolooThe Pietasters
- One Size Fits AllThe Nylons
- Open SesameLeonardo'S Bride
- Open Sesame (Remix Edition)Leonardo'S Bride
- Once Again （再也不想离开你）Ameriie
- On a Summer Day松岡直也 (まつおか なおや)
- On The WayAbra Moore (阿布拉·摩尔)
- OrganiumVeerus
- One-Eyed JackGarland Jeffreys
- Orchesterwerke von Antonín DvořákPhilharmonie Südwestfalen
- 欧妃倩 向未来杨子扬
- 라이프라인 OST (life line (Original Soundtrack))김용 (金勇)
- 온 세상이 하얗다 OST (And There Was Light (Original Motion Picture Soundtrack))김용 (金勇)
- 잠은행 OST (Bank of Seoul (Original Motion Picture Soundtrack)) (首尔银行 OST)김용 (金勇)
- One O ThreeMyk Derill
- Odyssey (Explicit)Zamilska
- Onli YouMusik Hits
- Otowonous工藤大輝
- Orchestra For Babies Playing: Lullaby Of Little HandsSmart Baby Music
- Only Love EPRamit
- 사랑도 없이 결혼 (Original Television Soundtrack) , Pt. 20Ramit
- 죽이고 싶은 나의 전복 왕자님 (Original Television Soundtrack) , Pt. 6Ramit
- 가짜 공녀님의 만렙 토끼 (Original Television Soundtrack) , Pt. 22Ramit
- 잉어님과 떡볶이 (Original Television Soundtrack) , Pt. 28Ramit
- One More !!?!?? (Drumless Edition)Mathieu Fiset
- Orange TurmericMathieu Fiset
- Old Christmas SongsKinderweihnacht
- Oh Sweet Terror!Mark Bernal
- 마녀의 성 (Original Television Soundtrack) , Pt. 19 (魔女之城 OST - Part.19)세영 (Seyoung)
- 바벨신드롬 OST (O′PENing) (BABEL SYNDROME OST)룬디 블루스 (Lundi Blues)
- Old Christmas MusicKinderweihnacht
- 미스 몬테크리스토 OST Part.7 (基督山小姐 OST Part.7)홍자 (洪子)
- 미스 몬테크리스토 OST Part.1 (基督山小姐 OST Part.1)홍자 (洪子)
- O Tannenbaum Oh TannenbaumKinderweihnacht
- On My WayRoy Gates
- Olive TreeQuinn XCII
- Opening Theme Tv Series SoundtrackMovie Soundtrack All Stars
- Onward (Explicit)Diggy
- Opera BellesOpera Belles
