| Acronym | Definition |
|---|
| BZ | Business |
| BZ | Belize |
| BZ | Bronze |
| BZ | Busy |
| BZ | Benzene |
| BZ | Blizzard |
| BZ | Bautzen (german auto license plate) |
| BZ | Berliner Zeitung (German: Berlin Times) |
| BZ | Brillouin Zone |
| BZ | Belousov-Zhabotinsky (reaction; thermodynamics) |
| BZ | Blutzucker (German: Blood Sugar) |
| BZ | Benzimidazole (organic compound) |
| BZ | Below Zero |
| BZ | Benzodiazepine (class of sedative drugs) |
| BZ | Bravo Zulu (term for Good Job/Well Done) |
| BZ | Bolzano - Bozen (Trentino Alto Adige, Italy) |
| BZ | Boyzone |
| BZ | Buffer Zone |
| BZ | Benzilic Acid |
| BZ | Breathing Zone |
| BZ | Braunschweiger Zeitung (German newspaper) |
| BZ | 3-Quinuclidinyl Benzilate |
| BZ | Battle Zone |
| BZ | Bone Zone |
| BZ | Beach Zone |
| BZ | Bronx Zoo (New York) |
| BZ | Below Zone |
| BZ | Branch on Zero (IBM) |
| BZ | Bacitracin Zinc (antibiotic) |
| BZ | Bundesamt für Zulassungen in der Telekommunikation |
| BZ | Bionicle Zone |
| BZ | Bleedzao (discussion forum) |
| BZ | Buckled Zones |