- Otokaze
- 欧阳菲菲
- 欧豪
- Otto Knows
- ONE OK ROCK (ワンオクロック)
- Owl City (猫头鹰之城)
- One Direction (单向组合)
- 欧阳朵
- OMFG
- OneRepublic (一体共和乐队)
- 欧得洋
- 哦漏
- One-T
- Olivia Ong
- Ola (噢啦)
- Ofenbach
- 欧阳娜娜
- Olly Murs (奥利·莫尔斯)
- October (악토버)
- Oliver Heldens
- 우효 (OOHYO)
- OveRcurrent
- O-Zone (1. 欧龙)
- 欧汉声
- Omi (Omar Samuel Pasley)
- OH MY GIRL (오마이걸)
- OutaMatic
- Oh Wonder
- 오렌지캬라멜 (Orange Caramel)
- Oasis (绿洲合唱团)
- OxT
- Oh Susanna (噢苏珊娜)
- ORANGE RANGE (橘子新乐团)
- O.T. Genasis (欧迪斯·佛罗伦斯)
- 欧恒
- On & Off
- Original Motion Picture Soundtrack (电影原声带)
- 欧俪雯
- Of Monsters And Men (兽人乐团)
- OLDCODEX (オルドコデックス)
- 올티 (Olltii)
- Olivia Newton John
- Ours
- 欧阳靖
- OELoop
- onelifecrew
- Ozo
- Olivia O'Brien
- Omarion (奥马里恩)
- Omar (奥马尔)
- 아웃사이더 (Outsider)
- Opetaia Foa'i
- Owlik
- 欧杰
- ONE☆DRAFT (ワン・ドラフト)
- Orianthi (奥瑞安西)
- 欧阳尚尚
- Ozzy Osbourne (奥齐·奥斯本)
- O2O Goddess
- Olivia Lufkin (Olivia)
