Shout It Out (Alisa Mizuki song)

"Shout It Out" is the twenty-second single by Japanese recording artist Alisa Mizuki. It was released on May 21, 2003, as the sixth and final single from Mizuki's fourth compilation album History: Alisa Mizuki Complete Single Collection.

The title track is a Japanese-language was written by Gorō Matsui and composed and produced by Incognito members Jean-Paul 'Bluey' Maunick and Matt Cooper. The demo Maunick and Cooper sent Mizuki initially had English lyrics, however Matsui wrote Japanese lyrics for the song, at the request of Mizuki's team. The song served as theme song for the Fuji TV drama Diamond Girl, starring Mizuki herself. The B-side, "Eternal Space," was written by Emi Miyamoto and composed by house trio GTS member Gee.

CDJournal described "Shout It Out" as "resort music-esque" and "Eternal Space" as an "Eiichi Otaki-inspired summer track," noting that both songs showcased a "new and fresh" side of Mizuki.

"Shout It Out" is Mizuki's third and last single to be issued in CCCD format.