Plasma cannon

Plasma cannon may refer to:


 * Plasma weapon, a type of raygun that fires a stream, bolt, pulse, or toroid of plasma
 * Plasma railgun, a linear accelerator which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature
 * MARAUDER, a United States Air Force Research Laboratory project concerning the development of a coaxial plasma railgun
 * Plasma-powered cannon, an experimental weapon which uses plasma to fire a solid projectile