Gem generally refers to a gemstone, a cut rock or mineral.
Gem may also refer to:
Places
Gem, California, a former settlement in the United StatesGem, Indiana, a small town in the United StatesGem, Kansas, a small town in the United States
Scientific abbreviations
Gemini (constellation); "Gem" is the standard astronomical abbreviationGem, a geminal compound in chemistry
Technologies
Gas Electron Multiplier, a type of particle detector used in experimental particle physics
Software
Gem, a package format of the RubyGems package manager for the Ruby programming language libraryGem, a codename (intended for use internally) for the PlayStation Move controller
Transportation
USS Gem (SP-41), a United States Navy patrol vessel in commission from 1917 to 1919USS Gem of the Sea (1861), a United States Navy bark in commission from 1861 to 1865Rolls-Royce Gem, a helicopter engine made by Rolls-RoyceGem 4/4, an electro-diesel locomotive class of Rhaetian Railway, Switzerland
Other uses
G.E.M., a pop singer from Hong KongGEM, a indie rock band from Utrecht, The NetherlandsThe Gem, an early 20th century British story paperGem (moth), a moth of the family Geometridae"Gem", the 12th episode of the only season of the series The Inside; see List of The Inside episodesGem, a fictional female character in Tron: LegacyGems (TV series), a British soap opera featuring actors such as Victoria Wicks
