R
- Radwimps
- Rain
- Raphael
- RC Succession
- Rei Harakami
- Remioromen
- Rentrer en Soi
- Rice
- Rie fu
- Rikiji
- Rina Aiuchi
- Rip Slyme
- Ritual Carnage
- Riyu Kosaka
- Rize
- The Rodeo Carburettor
- Rolly
- Room#Number
- The Roosters
- Round Table
- Rovo
- Ruins
- Run&Gun
- Ruppina
- Rurutia
- Ryuichi Kawamura
Read more about this topic: List Of Musical Artists From Japan