GUM
| Acronym | Definition |
|---|---|
| GUM | Guide to the Expression of Uncertainty in Measurement (ISO) |
| GUM | Genito-Urinary Medicine |
| GUM | Global Update Manager (software) |
| GUM | Great Unwashed Masses |
| GUM | Grammar Usage Mechanics |
| GUM | Glowny Urzad Miar (Central Office of Measures; Warsaw Poland) |
| GUM | Grand Unified Multicast |
| GUM | Gosudarstvennyj Universalnyj Magazin (Russia; government Universal shop) |
| GUM | Guam, Guam - Ab Wonpat International Airport (Airport Code) |