Undead may refer to:
- "UNDEAD", a song originally by Ayase, covered with Hatsune Miku.
- "Undead" (アンデッド), a song by Loin featuring flower.
- "Undead" (アンデッド), a song by MeringueP featuring flower.
- "Undead", a song by Retsnom Kcor featuring Hanakuma Chifuyu.
- "Undead" (アンデッド), a song by ShachikuP featuring Hatsune Miku.
- "Undead", a song by Uooz featuring KII.
- "Undead" (不死者 (Bù Sǐzhě)), a song by Yuchuan featuring Yuezheng Longya.
- "undead undead undead", a song by shima featuring VY1.