Blue (disambiguation)

Blue may refer to:
==Producers==
*Ao-P, a composer.
*AO, an illustrator.
==Songs==
===Ao===
*青 (Ao), a song featuring MAYU by 164.
*AO～いつだってすぐ側に～ (AO～Itsu Datte Sugu Soba ni～), a song featuring Aoki Lapis by kirin.
===Blue Bird===
* 蒼イ鳥 (Aoi Tori), a song featuring KAITO by Shinjou-P.
* blue bird, a song featuring GUMI by Toku-P.