| Acronym | Definition |
|---|
| BSZ | Berufliches Schulzentrum (German) |
| BSZ | Bsp Skin Zip |
| BSZ | Block Store Zero |
| BSZ | Base Security Zone (US Air Force) |
| BSZ | Beidseitig Sperrbarer Zylinder (German: Both Sides Lockable Cylinder) |
| BSZ | Bibliotheks Service Zentrum (German: Library Service Center; Germany) |
| BSZ | Brawley Seismic Zone (tectonic zone) |
| BSZ | Barton Springs Zone (Barton Springs, TX) |
| BSZ | Bible Society of Zambia (est. 1966; Lusaka, Zambia) |
| BSZ | Berufs- und Weiterbildung Zofingen (German; Swiss vocational training group) |
| BSZ | Beheerscomité van de Sociale Zekerheid (Dutch: Management Committee for Social Security; Netherlands) |