Signal may refer to:
- "Signal" (シグナル), a song by Arukero featuring Kasane Teto.
- "signal", a song by ch1hayu featuring Hatsune Miku.
- "Signal" (シグナル), a song by Colonea featuring Kasane Teto.
- "Signal", a song by daikonspiders featuring Honoka Elie.
- "Signal", a song by Dj-Jo and Patterns featuring Hatsune Miku.
- "Signal", a song by Enoyama featuring Saine Yume and Saine Utsutsu.
- "Signal" (シグナル), a song by Eny featuring Kasane Teto.
- "Signal" (シグナル), a song by EyesOnly featuring Yamine Renri.
- "Signal" (シグナル), a song by Gedou-san featuring GUMI.
- "Signal", a song by Kinra featuring Hatsune Miku.
- "Signal", a song by Koge and Staircatte featuring Hatsune Miku.
- "Signal", a song by NoisyCell featuring Megurine Luka.
- "Signal", a song by PalvanP featuring Fukase.
- "Signal", a song by Penzi Jun featuring Xingchen.
- "Signal" (シグナル), a song by Ramune featuring Hatsune Miku.
- "Signal", a song by Taichi featuring Namine Ritsu.
- "SIGNAL", a song by YasuP featuring GUMI.
- "Signal", a song by Yokomin featuring Yuzuki Yukari.
- "Signal" (シグナル), a song by Yuki featuring IA.
- "Signal" (シグナル), a song by Yukino Ito featuring Koharu Rikka, Natsuki Karin and Hanakuma Chifuyu.
- Signal-P, a Vocaloid song producer.
- "SiGNAL GiRL", a song by Rakurui featuring Hatsune Miku.
- "Signal Scream", a song by ZOMiG featuring Luo Tianyi or Xingchen.