GUM may refer to one of the following.

• GUM, or State Universal Store, a large department store in Moscow ("GUM" being the Russian language abbreviation for "Gosudarstvennyj Universalnyj Magazin").
• The alpha-3-code for Guam according to ISO 3166-1
• The IATA code for Antonio B. Won Pat International Airport, Agana, Guam
• Genitourinary medicine
• The Guide to the Expression of Uncertainty in Measurement, published by ISO in 1995, ISBN 92-67-10188-9.

See also: Gum

GUM | GUM | GUM