GSM (disambiguation)

GSM may stand for:

• Groupe Spécial Mobile the European group set up to establish European mobile telephony protocols and which was later Anglicised to Global System for Mobiles to preserve the acronym.
• Global System for Mobile Communications the Anglicisation of Groupe Spécial Mobile above.
• Graphic Standards Manual.
• Gameshow Marathon, a 2006 series hosted by Ricki Lake.
• The ICAO code for low cost airline Flyglobespan.
• General Service Medal
• A wine blend consisting of approximately equal parts grenache, shiraz, and mourvedre.

GSM may stand for:

• Grams per square metre (an indication of the thickness of paper).
• Generalized sequential machine in automata theory.