Mudai may refer to:
- "無題 (Mudai)", a song by :B featuring Kevin.
- "無題 (Mudai)", a song by backwater featuring Kasane Teto.
- "無題 (Mudai)", a song by BCNO featuring IA.
- "Mudai" (「 」), a song by CapricoP featuring KAITO.
- "無題 (Mudai)", a song by Guiano featuring flower.
- "『無題』 ("Mudai")", a song by KulfiQ featuring Hatsune Miku.
- "無題 (Mudai)", a song by Pepoyo featuring Hatsune Miku.
- "Mudai", a song by Vocaloider featuring LUMi.
See also Untitled (disambiguation).