2021 in Japanese music
The year 2021 in Japanese music.
Debuting
Debuting groups
Debuting soloists
- Takuya Eguchi
- Ai Hashimoto
- Masato Hayakawa
- Miyu Honda
- Elaiza Ikeda
- Takanori Iwata
- Reina Kondō
- Marika Kōno
- Kanako Momota
- Hiroki Moriuchi
- Takuma Nagatsuka
- Yurie Neno as a member of Sweet Pop Candy
- Miho Okasaki
- Aguri Ōnishi
- Rie Takahashi
- Wonho
- Daiki Yamashita
Returning from hiatus
Returning groups
Returning soloists
Events
Number-ones
Awards
Albums released
August
Disbanding and retiring artists
Disbanding
- 100%
- AŌP
- Ayumikurikamaki
- Blu-Billion
- Cellchrome
- CY8ER
- Desurabbits
- GFriend
- Hotshot
- Iz*One
- Maison Book Girl
- OnePixcel
- Pink Cres.
- Sakura Gakuin
- V6
Retiring
- Saki Shimizu
- Chinami Tokunaga
- Nana Yamada
- Mika Sakaki as a member of Sweet Pop Candy