GSM (disambiguation)

GSM can be a three-letter acronym or other abbreviation for:
*"Game, set, match" (Tennis scoring terms)
*General sales management (or General sales manager)
*Geological Society of Malaysia
*Global System for Mobile Communications (in French: "Groupe Spécial Mobile")
*The ICAO code for Flyglobespan, an airline
*The prefix for the Maltese post code for Għajnsielem (Gozo)
*Glass Sport Motors, a former South African car company
*Global Security Master, system used to retrieve securities data from vendors

*GSM (wine), a red wine consisting of a blend of Grenache, Syrah (a.k.a. Shiraz), and Mourvèdre, varieties commonly blended in some Australian wines and in some Rhône wines, including some Châteauneuf-du-Pape

In science and technology, GSM can refer to:
*"Gamma-Secretase Modulator", a new class of experimental drugs with potential to be useful in the treatment of Alzheimer's disease
*Geocentric Solar Magnetospheric coordinate system
*Global Shared Memory

In Great Britain, GSM can refer to:
*"Gameshow Marathon" (UK game show), a British television series
*Garrison Sergeant Major, a warrant officer appointment in the British Army
*General Service Medal, any of various British campaign medals
** General Service Medal (1918)
** General Service Medal (1962)
** General Service Medal (Rhodesia) (1968)
*Great St. Mary's Church, Cambridge

In the United States, GSM can refer to:
*Graduate Studies in Mathematics, a series of mathematics texts published by the American Mathematical Society
*"Gameshow Marathon" (US TV series), an American television series based on the British show of the same name

As a file format, GSM can refer to
*Files for GSM-like codified voice as used by GSM mobile phones and other sound handling programs, like Asterisk (PBX) or SoX
*Files used by the company Graphisoft for ArchiCAD library parts mainly written in Geometric Description Language (GDL)

When lowercase, gsm can refer to:
*Generalized sequential machine in automata theory
*Grams per square metre, an indication of paper density
*Grams per square metre, an indication of fabric density, normally reported in test/analysis results of fabrics