HSZ
| Acronym | Definition |
|---|---|
| HSZ | High Security Zones |
| HSZ | Hydrate Stability Zone (geology) |
| HSZ | Heeressportzentrum (Austria) |
| HSZ | Hrvatski Savez Zadruga (Croatian: Croatian Association of Cooperatives) |
| HSZ | Hellenic Subduction Zone (geology) |
| HSZ | High Signal Zones (neurology) |