GUM
GUM, GTo is:
- Guam USA, country code according to ISO 3166 and at the same time Olympic country abbreviations
- Antonio B. Won Pat airport on Guam, USA after the IATA code
- Community switcher, GTo ( telecommunications )
- GUM ( standard), an international standard for the interpretation and determination of measurement uncertainties
- GUM Studios GmbH with focus on computer animation and puppetry (latex - figures) in Cologne
- Colin Stanley Gum (1924-1960), Australian astronomer; named after him: Gum ( crater)
- Discovered Gum Nebula, a supernova remnant, 1952 by Colin Stanley Gum
- Disambiguation
- Abbreviation