Hellbore

Hellbore could refer to:
 * A heavy weapon in several science fiction series.
 * A turret-mounted weapon of the Bolo tanks in the Bolo novels written by Keith Laumer and David Weber.
 * A long-range weapon in the Starfleet Battles and Starfleet Command games.
 * A weapon in the Orion's Arm SF universe.
 * A weapon module in the second Star Control game.
 * A type of gravitational weapon in the Space Empires game series.
 * A type of weapon in the RoboWar game.
 * Hellebore, one of approximately 20 species of plants that belongs to the genus Helleborus
 * Hellebore magazine, A popular folk horror magazine