GBZ
| Acronym | Definition |
|---|---|
| GBZ | Gibraltar (International Auto Identification) |
| GBZ | Gemeente Belangen Zandvoort (Dutch: Zadnvoort Municipality Interests; Zandvoort, Netherlands) |
| GBZ | Groot Beverse Zwemclub (Dutch: Great Swim Club Beveren; Beveren, Belgium) |
| GBZ | Great Britain Zone |
| GBZ | Gras Becks Und Zärtlichkeit (German) |
| GBZ | Gibraltar British Zone (vehicle registration) |
| GBZ | Green Belt Zone |