| 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] |