| Name | 
  Notes | 
  | 
  Galor Class Plasma Banks [1]   | 
  Weapons designed for the Cardassian Galor class warship. [1] | 
  | 
  Genetic Virus [2]   | 
  Biological weapon. [2] | 
  | 
  Gin'tak Spear [3]   | 
  A Klingon spear for use in combat. [3] | 
  | 
  Glavin [4]   | 
  A traditional weapon of the people of planet Ligon II, the glavin is a large glove tipped with a hook like claw and poisoned spines. [4] | 
  | 
  Gomtuu Flare Weapon [5]   | 
  An extremely powerful energy discharge which could be emitted by the biological starship creature known as Gomtuu. The discharge was more than sufficient to destroy a Romulan warbird at considerable distance. [5] | 
  | 
  Gravimetric Torpedo [6]   | 
  Sophisticated energy weapon, significantly more powerful than a standard Starfleet photon torpedo. [6] | 
  | 
  Gravitic Mine [7]   | 
  Graviton based weapon used by the Klingons to disable or destroy space vehicles. [7] | 
  | 
  Guinan's Rifle [8]   | 
  A weapon which Guinan picked up on Magus Three. The weapon had at least two settings. In 2367 she used it to break up a near riot in Ten Forward. [8] |