Tank can refer to:
- Tank (vehicle) - An armored fighting vehicle featured in nearly every game of the series.
- Tank (Strike Chain) - A cut pointstreak from Call of Duty: Modern Warfare 3.
- Tank (Extinction) - A class in the Extinction mode of Call of Duty: Ghosts.
- Propane Tank - An item in Extinction mode.
- Tank Dempsey - A playable character in the Zombies mode.
- Tank (Advanced Warfare) - A vehicle in Call of Duty: Advanced Warfare.
- Tank Upgrade - An upgrade in Chaos Mode.