"Countdown" could refer to the following:
- Countdown - A track in the biohazard 0 Best Track Collection
- Countdown - A track in the biohazard (2002) Best Track Collection
- Countdown - A track in the BIOHAZARD REVELATIONS ORIGINAL SOUNDTRACK'
- Countdown - A track in the biohazard DEGENERATION ORIGINAL SOUNDTRACK
- Countdown - A Mercenaries stage.
- Countdown - A special ability used by Raid Mode Elite Enemies in Resident Evil: Revelations 2.