Plasma gun may refer to:
Plasma weapon, a type of directed-energy weapon that fires a beam, bolt, or stream of plasma Plasma torch, a device for generating a directed flow of plasma Plasma railgun, a linear accelerator which uses two long parallel electrodes to accelerate a "sliding short" armature Dense plasma focus, a type of plasma generating system originally developed as a fusion power device
See also Plasma (disambiguation) Plasma cannon (disambiguation)