GUG
| Acronym | Definition |
|---|---|
| GUG | Gimp User Group |
| GUG | Groupware User Group |
| GUG | Global User Group |
| GUG | Going Under Ground |
| GUG | Girls Under Glass (band; Germany) |
| GUG | Guanine-Uracil-Guanine (DNA) |
| GUG | Gruppo Ufficiali Gara (Italian: Race Officers Group) |
| GUG | Good Urban Governance (UN campaign) |
| GUG | General User Guide |
| GUG | Ground Up Graphics (computer game programming group) |
| GUG | Grand Unified Game (puzzle game) |