2015 in Japanese music
The year 2015 in Japanese music.
Notable events
- The sold-out two-day Takashi Matsumoto Official 45th Anniversary Project event was held at the Tokyo International Forum on August 21 and 22, celebrating lyricist Takashi Matsumoto's career. Performances included Matsumoto reuniting with the other two surviving members of pioneering Japanese rock band Happy End.
- 66th NHK Kōhaku Uta Gassen on December 31.
Number-ones
- Oricon number-one albums
- Oricon number-one singles
- Hot 100 number-one singles
Best-selling records
Best-selling albums
The following is a list of the top 10 best-selling albums in Japan in 2015, according to Oricon.| Rank | Album | Artist | Copies |
| 1 | Japonism | Arashi | 981,639 |
| 2 | Planet Seven | Sandaime J Soul Brothers from Exile Tribe | 868,247 |
| 3 | Dreams Come True The Best! Watashi no Dorikamu | Dreams Come True | 828,505 |
| 4 | Koko ga Rhodes da, Koko de Tobe! | AKB48 | 780,591 |
| 5 | 0 to 1 no Aida | AKB48 | 687,688 |
| 6 | ' | Mr. Children | 576,867 |
| 7 | ' | Southern All Stars | 534,482 |
| 8 | Tree | Sekai no Owari | 484,588 |
| 9 | ' | Kanjani Eight | 348,197 |
| 10 | ' | Kis-My-Ft2 | 336,069 |
Best-selling singles
The following is a list of the top 10 best-selling singles in Japan in 2015, according to Oricon.| Rank | Single | Artist | Copies |
| 1 | "Bokutachi wa Tatakawanai" | AKB48 | 1,782,707 |
| 2 | "Halloween Night'' | AKB48 | 1,328,411 |
| 3 | "Green Flash" | AKB48 | 1,045,492 |
| 4 | "Kuchibiru ni Be My Baby" | AKB48 | 905,490 |
| 5 | "Coquettish Jūtai Chū" | SKE48 | 702,299 |
| 6 | "Ima, Hanashitai Dareka ga Iru" | Nogizaka46 | 686,539 |
| 7 | "Taiyō Nokku" | Nogizaka46 | 678,481 |
| 8 | "Inochi wa Utsukushii" | Nogizaka46 | 620,555 |
| 9 | "Aozora no Shita, Kimi no Tonari" | Arashi | 571,597 |
| 10 | "Don't Look Back!" | NMB48 | 530,830 |
Awards
- 2015 MTV Video Music Awards Japan
Albums released
January
February
March
April
September
November
December
Deaths
- July 6 - Masabumi Kikuchi, Japanese-American pianist and composer