Blue (disambiguation)

Blue may refer to:
 * BLUE, a song by Inoppi featuring Aoki Lapis.
 * Blue, a song by 164 featuring MAYU.
 * The Blue, a song by DarkCherry featuring SeeU.
 * Blue, a song by Puffihn featuring MIRIAM.
 * Blue, a song by yuyoyuppe featuring Hatsune Miku.
 * blue bird, a song by Toku-P featuring GUMI.
 * blue blue blue, a song by koyori featuring Hatsune Miku.
 * Blue Darkness, a song by Ayarisu featuring flower.
 * Blue／Green, a song by AVTechNo featuring Hatsune Miku.
 * Blue-Green Colored Melancholy, a song by Mafumafu featuring GUMI.
 * Blue Ice Castle, a song by Machigerita-P featuring Hatsune Miku.
 * Blue Lotus, a song by Pairo-P featuring KAITO.
 * Blue Moon, a song by Peperon-P featuring galaco.
 * Blue Moon, a song by Suka-tan featuring Tone Rion.
 * Blue Night Tears, a song by Peperon-P featuring MEIKO.
 * To BLUE / to SEA, a song by NIYMORIY featuring SONiKA and Megurine Luka.
 * Blue Skyline, a song by 40Meter-P featuring GUMI.
 * Blue Sky Spring Sight, a song by DECO*27 and Sasakure.UK featuring Hatsune Miku.
 * Blue Spring Ride, a song by Retasu-P featuring IA.
 * blue tears, a song by painful (nP) featuring Hatsune Miku.
 * Blue Tower, a song by kk2 featuring Kaai Yuki.
 * Blue Key, a Vocaloid Producer.