Other
- An abbreviation of gram
- Gaelic Media Service, a Scottish media organisation
- George Martin Stephen (born 1949), a British headmaster and author
- Geographic Messaging Service, a location-based mobile messaging service
- General medical services, the contract under which NHS general practitioners work
- Globalization Management System, a type of software for automating human language translation
- Global MapleStory, the North American version of a multiplayer online role-playing game
- Glycerol monostearate, a type of emulsifier
- Glycol monostearate, a cosmetic ingredient
- GMS (music group) the psychedelic trance music group, also known as Growling Mad Scientists
- GMS (software), groundwater simulation software
- Gömöri methenamine silver stain, histological stain used to identify fungi by staining of the cell walls
- Greater Mekong Subregion, a region that includes nations and territories located in Mekong River basin
- "Geostationary Meteorological Satellite", a series of Japanese weather satellites, see Himawari (satellite)
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