1 (disambiguation)

1 may refer to:
*, a song by 164 featuring Megurine Luka.
*, a song by HiRyang featuring UNI.
*, a song by LamazeP featuring Hatsune Miku.
*#1, a compilation album.
*, a song by Queen Pb featuring Meika Hime and Meika Mikoto.
*, a song by Chinmari-P featuring Hatsune Miku.
*, a song by Harumaki Gohan featuring Hatsune Miku.
*, a song by charcolor featuring AVANNA and GUMI.
*, a song by MinaruP featuring Hatsune Miku.
*1byou, an album by MinaruP.
See also One (disambiguation)