Rook may refer to:
- Rook (World at War) - A playable American marine in Call of Duty: World at War (Nintendo DS).
- Rook (Zombies) - A playable character in Call of Duty: Zombies and Call of Duty: Black Ops Zombies.
- Rook (Modern Warfare 2) - An Australian member of the Task Force 141 in Call of Duty: Modern Warfare 2.
- Rook (Mobilized) - A British member of Gopher Squad in Call of Duty: Modern Warfare: Mobilized.
- Rook (Online) - A playable character in Call of Duty Online.