- 골든타임 O.S.T윤건 (尹健)
- 조선총잡이 OST Part 6 (朝鲜神枪手 O.S.T Part.6)조장혁 (赵长赫)
- OV7 En Directo RushOV7
- Otis Blue (Mono)Otis Redding (奥蒂斯·雷汀)
- OV7 Primera FilaOV7
- OV7 Desde El Palacio De Los DeportesOV7
- 샐러리맨 초한지 OST Part.1(History of a Salaryman (SBS DRAMA) OST Part.1)윤건 (尹健)
- Otis! The Definitive Otis ReddingOtis Redding (奥蒂斯·雷汀)
- 원더우먼 OST Part.5 (One the Woman OST Part.5)조장혁 (赵长赫)
- Only 玉罗家英
- 우리 갑순이 OST PART 3 (我们的甲顺 OST PART 3)빌리어코스티 (Bily Acoustie)
- Otis BlueOtis Redding (奥蒂斯·雷汀)
- Only 玉（DJ丹尼斯版）罗家英
- Oceans Brawl (咆哮的大海)Cœur de pirate (Béatrice Martin)
- 열여덟의 순간 OST Part.3 (十八岁的瞬间 OST Part.3)빌리어코스티 (Bily Acoustie)
- Oublie-moi (Carry On)Cœur de pirate (Béatrice Martin)
- 취하는 로맨스 OST Part.7 (BREWING LOVE OST Part.7) (酒醉罗曼史 OST Part.7)빌리어코스티 (Bily Acoustie)
- 내 생의 최악의 이별 OST Part.8 (今生最坏的离别 OST Part.8)빌리어코스티 (Bily Acoustie)
- 굿잡 OST Part 1JB (林在范)
- 시간 OST Part.5 (时间 OST Part.5)빌리어코스티 (Bily Acoustie)
- 크레이지 러브 OST Part.4 (疯狂爱情 OST Part.4)JB (林在范)
- 우리가 만난 기적 OST Part.1 (我们遇见的奇迹 OST Part.1)빌리어코스티 (Bily Acoustie)
- 보라! 데보라 OST Part 2 (True to Love, Pt. 2 (Original Soundtrack)) (宝拉! 黛宝拉 OST Part2)빌리어코스티 (Bily Acoustie)
- 비밀남녀 OST Part.1빌리어코스티 (Bily Acoustie)
- On s'aimera toujoursCœur de pirate (Béatrice Martin)
- Off WhiteLotte Kestner
- Original Album SeriesPretenders (伪装者)
- OceanLauren Aquilina
- Over & OverEMBRZ
- 지고는 못 살아 OST Part.3 (绝不认输 OST Part.3|Never will be OST Part.3)윤상현 (尹尚贤)
- 오아시스 (oasis)Macchiato (마끼아또)
- Original Album Series (Explicit)Pretenders (伪装者)
- Ok Without You 2026Klaas
- Open Invitation (Explicit)Tyrese (泰瑞斯)
- OxygenKlaas
- On My Lips (Sweet Dreams)Klaas
- One Girl ArmyKlaas
- One of One (Explicit)Starley
- Ostrogorzki (feat. Jelonek)Jelonek (杰洛奈克)
- One (Main) [Explicit]Tyrese (泰瑞斯)
- ordinary days (Ordinary Days)Toe
- Our Latest NumberToe
- Over Time武部聡志
- Oak Island AcousticOur Last Night
- OctavariumDream Theater (梦剧院乐队)
- リ・フィクション・Osasakure.UK (ササクレ・ユーケイ)
- Oak IslandOur Last Night
- Once in a LivetimeDream Theater (梦剧院乐队)
- ONE dream増田俊樹
- OfferingDavid Moore (大卫·摩尔)
- Official Bootleg - Images and Words Demos 1989-1991Dream Theater (梦剧院乐队)
- Osaka SamouraiDream Theater (梦剧院乐队)
- origin増田俊樹
- Oh! What A Girl!Simply Red (就是红合唱团)
- ひとりじめマイヒーローキャラクターソング 「ONLY MY HERO, ONLY YOUR PLACE」 (独占我的英雄角色歌 《只有我的英雄, 只有你的地方》)増田俊樹
- ノーサイド/ONE FOR YOU瀧川ありさ (泷川亚理沙)
- ノーサイド/ONE FOR YOU(期間生産限定盤)瀧川ありさ (泷川亚理沙)
- 여왕의 교실 OST 'I Will Be Yours' (MBC 수목드라마) (女王的教室 OST - 'I Will Be Yours')Inger Marie Gundersen
- Official Bootleg: Los Angeles, CA 5/18/98Dream Theater (梦剧院乐队)
- One in a million / return to you小柳ゆき (小柳由纪)
