| Aku | |
| Type: | studio |
| Artist: | Mucc |
| Cover: | Mucc - Aku.png |
| Genre: | Alternative metal |
| Length: | 69:00 |
| Language: | Japanese |
| Label: | Danger Crue |
| Prev Title: | Kowareta Piano to Living Dead |
| Prev Year: | 2019 |
| Next Title: | Shin Sekai |
| Next Year: | 2022 |
is the fifteenth studio album by Japanese visual kei rock band Mucc, released on June 10, 2020 by Danger Crue. It was released in three editions: the regular edition with sixteen tracks, the limited edition with a bonus DVD and the fan club limited edition with a 48-page booklet.[1]
Aku peaked at the sixth position on weekly charts and first position on daily charts of Oricon Albums Chart.[2] [3]