Crazy (disambiguation)

Crazy may refer to:
 * Crazy Clown, a song by Intro-P featuring KAITO and Hatsune Miku.
 * Crazy Grenade Bomber Crasher, a song by Akibawota-P featuring CUL.
 * Crazy ∞ nighT, a song by Hitoshizuku-P featuring multiple VOCALOIDs.
 * Crazy Oppai, a song by Akibawota-P featuring Hatsune Miku.
 * Crazy Town, a song by ghosty featuring MAIKA and YOHIOloid.