Bolt gun
Bolt gun or boltgun may refer to:
 Captive bolt pistol, a device used for stunning animals before slaughter
 Crossbow, a ranged weapon that shoots projectiles called bolts
 A firearm with a bolt action
 A fictional heavy caliber firearm used by Space Marines in the Warhammer 40,000 universe
 Warhammer 40,000: Boltgun, a 2023 video game set in the Warhammer 40,000 universe