Instant Death may refer to:
- One-Hit Kill, for attacks that kill immediately.
- Instant Death Bullet, for bullets that kill immediately.
- Instant Death Stab, for stabs that kill immediately.
- My Instant Death Ability is So Overpowered..., No One in This Other World Stands a Chance Against Me!, a Japanese Light Novel series.
- Instant Death, an Action Film.
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