HTZ
| Acronym | Definition |
|---|---|
| HTZ | Hrvatska Turisticka Zajednica (Croatian: Croatian National Tourist Board) |
| HTZ | Helicopter Traffic Zone (air traffic; various locations) |
| HTZ | Humber Trade Zone (UK) |
| HTZ | Hill Top Zone (Sonic 2 level) |
| HTZ | High Torque Zinc (fastener) |
| HTZ | Hrvatski Triatlon Savez (Croatian Triathlon Federation) |