Flamethrowers are a category of weapon which projects a jet of fire to harm enemies. Multiple different flamethrowers have been present in Call of Duty games over the years including:
- M2 Flamethrower - A flamethrower used in Call of Duty: World at War and Call of Duty: WWII.
- Flammenwerfer 35 - A flamethrower used in Call of Duty: United Offensive and Call of Duty: WWII.
- Flamethrower (attachment) - A weapon attachment in Call of Duty: Black Ops.
- CLAW Flamethrower - A weapon that can be added to the CLAW unit Brutus in Call of Duty: Black Ops II.
- Flamethrower (Advanced Warfare) - An unobtainable weapon in the Exo Zombies map Descent in Call of Duty: Advanced Warfare.
- Flamethrower (Heroes) - A defense structure in Call of Duty: Heroes and Call of Duty: Siege.
- Purifier - A Specialist Weapon used by Krystof "Firebreak" Hejek in Call of Duty: Black Ops III.
- Flamethrower (scorestreak) - A scorestreak in Call of Duty: WWII and Call of Duty: Black Ops Cold War.