2018 in Japanese music
The year 2018 in Japanese music.Number-ones
- Oricon number-one albums
- Oricon number-one singles
- Hot 100 number-one singles
Albums released
January
February
March
April
May
June
August
September
October
November
December
Debuting and returning artists
Debuting
Disbanding
- Idol Renaissance
- La PomPon
- Mix Speaker's,Inc.
- GEM
- Chelsy
- Cheeky Parade
- Chatmonchy
- Ciao Bella Cinquetti
- Tackey & Tsubasa
- Passpo
- Babyraids Japan
- Vanilla Beans
- X21
- Aqua Timez
Retiring
- Tetsuya Komuro
- Namie Amuro
- Chiyo Okumura
- Hideaki Takizawa
- Hitomi Yoshizawa
- Charisma.com
- Folks
- Tsubasa Imai
- Chris Hart
- Mao Denda
- Jero
- Yumi Hara
- Keito Okamoto
- Nobuo Uematsu
- Shiori Niiyama
- Rice
- Sads
Deaths
- January 26 – Junji Yayoshi, guitarist and record producer
- January 31 – Itokin, MC and track maker
- April 24 – Doji Morita, singer-songwriter
- April 27 – Yukiji Asaoka, singer and actress
- May 16 – Hideki Saijo, singer and actor
- October 12 – Takehisa Kosugi, composer and violinist
- November 14 – Masahiro Sayama, jazz pianist
- November 25 – Norio Maeda, jazz pianist, composer, and conductor