Zombies can refer to four things in the Call of Duty series:
- Zombies (Treyarch) - The original Zombies mode, with an everlasting story created by Treyarch, in Call of Duty: World at War, Call of Duty: Black Ops, Call of Duty: Black Ops II and Call of Duty: Black Ops III.
- Zombies (Sledgehammer) - Sledgehammer's take on the Zombies mode, appearing in Call of Duty: Advanced Warfare and Call of Duty: World War II under the names Exo Zombies and Nazi Zombies, respectively.
- Zombies (Infinite Warfare) - Infinity Ward's take on the Zombies mode, appearing in Call of Duty: Infinite Warfare.
- Zombies - The mode's primary antagonist.