| Aozora | |
| Cover: | Aozora cover.jpg |
| Type: | single |
| Artist: | The Blue Hearts |
| Album: | Train-Train[1] |
| A-Side: | Aozora |
| B-Side: | Heisei no Blues |
| Released: | June 21, 1989 February 6, 2002 (rerelease) |
| Genre: | Punk rock |
| Length: | 14m50s |
| Label: | Meldac |
| Producer: | The Blue Hearts |
| Prev Title: | Love Letter |
| Prev Year: | 1988 |
| Next Title: | Jōnetsu no Bara |
| Next Year: | 1990 |
was the eighth single by the Japanese band The Blue Hearts. The song was recut from the group's third album Train-Train. This song was written in opposition to the continuing apartheid of the time. "Heisei no Blues" (平成のブルース), the B-side track, was not on the album Train-Train.
The song was covered by miwa in 2010, for use as the ending theme song of the animated film adaptation of Eto Mori's novel Colorful.[2] Mone Kamishiraishi worked with Glim Spanky on a cover of the song for her 2021 album Ano Uta -2-.[3]
In December 2019, the song was published as a picture book with illustrations by French artist Botchy-Botchy. Publisher is Gendaishokan and is only available in Japanese for the time being. The book also features a 2 pages original text written by Yoshimoto Banana, who is a fan of the band ´The Blue Hearts’.