Devastator may refer to the following:
Vehicles
- TBD Devastator, a World War II-era torpedo bomber
- USS Devastator (AM-318), a mine sweeper of the United States Navy
- USS Devastator (MCM-6), a mine sweeper of the United States Navy
- Devastator (truck), a monster truck on the USHRA circuit
Video games
- Devastator (video game), a video game by Wolf Team
- Devastators, a video game by Konami
Fictional characters and devices
- Devastator (Transformers), a Transformer "combiner" that is made up of Constructicons
- Devastator, the House Harkonnen forces' heaviest vehicle in the Dune video game Emperor: Battle for Dune
- Devastator (comics), a name shared by two Marvel Comics characters
- Devos the Devastator, another unrelated Marvel Comics character
- Devastator, the Star Destroyer that chases Princess Leia's ship in the opening sequence of Star Wars Episode IV: A New Hope
- World Devastator, a Star Wars planetary weapon that first appeared in Star Wars: Dark Empire
- Devastator, a rocket-launching weapon available in Duke Nukem 3D
- Devastator, a rocket-launching weapon available in the original Ratchet & Clank
- Devastator, a fictional plane in Crimson Skies and Crimson Skies: High Road to Revenge
- A Scrin ship in the C&C series.
- A Space Marine Devastator squad in Warhammer 40.000 tabletop game
Geography
- Devastator Peak, a volcanic summit near the upper Lillooet River in the Pacific Ranges of the Coast Mountains in British Columbia, Canada
Companies
- Devastator Records, a record label
Weapons
- Jennings / Bear Devastator Crossbow