Sentry may refer to:
- Sentry Drone, an explosive airborne enemy in Duke Nukem 3D
- Battlelord Sentry, a large enemy wielding a massive chaingun in Duke Nukem 3D
- Overlord Sentry, a large enemy wielding shoulder-mounted rockets in Duke Nukem 3D
- Cycloid Sentry, a one-eyed enemy wielding gyrojet rocket launchers in Duke Nukem 3D
- Alien Queen Sentry, an enemy that was scrapped from Duke Nukem 3D: World Tour
See also[]
- Turret, a green stationary enemy in Duke Nukem 3D
- Protector Drone, a flesh-colored enemy introduced in Duke Nukem 3D: Atomic Edition