| BZ | Badische Zeitung
| Others |
| BZ | Band Zero
| Others |
| BZ | Battle Zone
| Others |
| BZ | Battlezone
| Others |
| BZ | Below Zero
| Others |
| BZ | Berliner Zeitung
| Others |
| BZ | Big Zero
| Others |
| BZ | Big Zimage
| Others |
| BZ | Big Zip
| Others |
| BZ | Blandford Znajek
| Others |
| BZ | Blue Dart Aviation, IATA airline code
| Others |
| BZ | Bolzano (Provence)
| Others |
| BZ | Bolzano (Province)
| Others |
| BZ | Boney Zwane
| Others |
| BZ | Border Zone
| Others |
| BZ | Bravo Zulu
| Others |
| BZ | Bravo Zulu (Navy for Well Done)
| Others |
| BZ | Bravo Zulu a naval signal, meaning 'well done'
| Others |
| BZ | Brillouin Zone
| Others |
| BZ | Brillouin zone - a uniquely defined primitive cell in reciprocal space
| Others |
| BZ | British Zone
| Others |
| BZ | Bronx Zoo
| Others |
| BZ | Brookfield Zoo
| Others |
| BZ | Brucks Zeitung
| Others |
| BZ | Buffer Zone
| Others |
| BZ | busy in Internet slang
| Others |
| BZ | bzip2, an algorithm for data compression
| Others |
| BZ | Compressed file archive (bzip)
| Others |
| BZ | Keystone Air Service an IATA airline code
| Others |
| BZ | Social Business
| Others |