Gex or GEX may refer to:

• Amélie Gex (1835–1883), French writer and poet
• Émilie Gex-Fabry (born 1986), Swiss ski mountaineer, biologist, and botanist
• John Peter De Gex (1809–1887), English barrister and law reporter
• Walter J. Gex III (1939–2020), American judge

• Gex, Ain, a commune in France
• Arrondissement of Gex, Ain department, France
• Canton of Gex, Ain department, France
• Le Colomby de Gex, a summit in the French Jura Mountains
• Pays de Gex, a historical region of the Duchy of Savoy, in modern France and Switzerland

• Gex (series), a video game series by Crystal Dynamics
  • Gex (video game)
  • Gex: Enter the Gecko
  • Gex 3: Deep Cover Gecko
• Bleu de Gex, a type of cheese
• Garre language, with ISO 639-3 code "gex"
• Geelong Airport in Victoria, Australia, with IATA code GEX
• Geometry Expert (GEX), Chinese geometry theorem software
• German Entrepreneurial Index (GEX), a German stock market index

This disambiguation page lists articles associated with the title Gex.
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