Unknown (disambiguation)

Unknown may refer to:
*, a song by Amano Yuu featuring Hatsune Miku.
*, a song by IceFly featuring Fukase.
*, a song by Nosshii featuring Hatsune Miku.
*, a song by Rakuraku featuring Hatsune Miku.
*, a song by river featuring Kagamine Rin.
*, a song by Sotomogi featuring flower.
*, a song by Torte featuring Kasane Teto.
*, a song by wintermute featuring Hatsune Miku.
*, a song by Muryoku-P featuring Megurine Luka.
*, a song by Team Kamiuta featuring IA and Yuzuki Yukari.