Grey may refer to:
- "Grey" (グレー), a song by Chum featuring Hatsune Miku.
- "Grey.", a song by DoraibinP featuring YANHE.
- "Grey" (灰色 (Haiiro)), a song by Hilton featuring Hatsune Miku.
- "Grey" (グレー), a song by OtuQ featuring Kagamine Rin.
- "Grey", a song by QueenPb featuring GUMI.
- "Grey" (はいいろ (Haiiro)), a song by TsurutsuruP featuring Kagamine Len.
See also Haiiro (disambiguation)